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Rockwell Automation Publication 1407-UM001H-EN-P - November 2014

#HAPTER

CGCM Unit Software Interface

188

INT

N/A

ExciterPole

Exciter Pole

Poles

2…24

190

INT

N/A

Rev_kW_Setpt

Reverse kW Setpoint

%/100

100…10,000

192

INT

N/A

Rev_kW_TimeDly

Reverse kW Time Delay

s/100

10…30,000

194

INT

N/A

Rev_kVAR_Setpt

Reverse kVAR Setpoint

%/100

100…10,000

196

INT

N/A

Rev_kVAR_TimeDly

Reverse kVAR Time Delay

s/100

10…3000

198

INT

N/A

OvrFreqSetpt

Over-frequency Setpoint

Hz/100

3000…7000

200

INT

N/A

OvrFreqTimeDly

Over-frequency Delay

s/100

10…30,000

202

INT

N/A

UndrFreqSetpt

Under-frequency Setpoint

Hz/100

3000…7000

204

INT

N/A

UndrFreqTimeDly

Under-frequency Delay

s/100

10…30,000

206

INT

N/A

Ovr_I_Setpt

Over-current Setpoint

%/100

1000…32,000

208

INT

N/A

Ovr_I_TimeDly

Over-current Time Delay

Time
dial
setting
/100

0…990

210

INT

N/A

Ovr_I_Curve

Over-current Curve

1…17

212

INT

N/A

Ovr_I_VrestSetpt

Over-current Voltage
Restraint Setpoint

%/100

0…20,000

214

INT

N/A

Spare13

216

INT

N/A

LossExc_I_Setpt

Loss Excitation Current
Setpoint

A/100

10…1500

218

INT

N/A

LossExc_I_TimeDly

Loss Excitation Current
Delay

s/100

10…990

220

Real

N/A

UEL_Curve_W_Pt1

Under-excitation Limiting
Curve Power Point 1

0…1E+09

224

Real

N/A

UEL_Curve_W_Pt2

Under-excitation Limiting
Curve Power Point 2

0…1E+09

228

Real

N/A

UEL_Curve_W_Pt3

Under-excitation Limiting
Curve Power Point 3

0…1E+09

232

Real

N/A

UEL_Curve_W_Pt4

Under-excitation Limiting
Curve Power Point 4

0…1E+09

236

Real

N/A

UEL_Curve_W_Pt5

Under-excitation Limiting
Curve Point 5

0…1E+09

240

Real

N/A

UEL_Curve_VAR_Pt1

Under-excitation Limiting
VAR Point 1

VARs

0…1E+09

244

Real

0…7

UEL_Curve_VAR_Pt2

Under-excitation Limiting
VAR Point 2

VARs

0…1E+09

248

Real

0…7

UEL_Curve_VAR_Pt3

Under-excitation Limiting
VAR Point 3

VARs

0…1E+09

252

Real

0…7

UEL_Curve_VAR_Pt4

Under-excitation Limiting
VAR Point 4

VARs

0…1E+09

256

Real

0…7

UEL_Curve_VAR_Pt5

Under-excitation Limiting
VAR Point 5

VARs

0…1E+09

260

Real

0…7

OEL_OnlineHiSetpt

Over-excitation Online High
Setpoint

0…9999

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Содержание 1407-CGCM

Страница 1: ...Combination Generator Control Module Catalog Numbers 1407 CGCM User Manual...

Страница 2: ...part without written permission of Rockwell Automation Inc is prohibited Throughout this manual when necessary we use notes to make you aware of safety considerations Labels may also be on or inside t...

Страница 3: ...IC 0AGE Updated the dimension diagrams 14 Updated the Configuration Messaging section 129 Added information for the Network status indicator 164 Added information for the Module status indicator 165 U...

Страница 4: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 3UMMARY OF HANGES OTES...

Страница 5: ...Overview of the Configuration Process 71 Preparation 71 Create a New Module in the ControlLogix Controller 72 Device Setup 75 HAPTER 5NIT 3TARTUP Introduction 107 Safety 107 Recommended Equipment 108...

Страница 6: ...4 Field Current Regulator 195 PPENDIX DDITIONAL ONTROL ET ETWORK NFORMATION ControlNet Application Objects 197 PPENDIX 3PECIFICATIONS 201 PPENDIX ETAILED 5NIT 4AG ESCRIPTIONS Generator Parameters and...

Страница 7: ...s for the Application Installation and Maintenance of Solid State Controls publication SGI 1 1 Describes some important differences between solid state equipment and hard wired electromechanical devic...

Страница 8: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 0REFACE OTES...

Страница 9: ...AND ONTROL UNCTIONS This list contains the generator regulation and control functions Four excitation control modes Automatic voltage regulation AVR Manual or field current regulation FCR Power facto...

Страница 10: ...of permanent magnet generator PMG Excitation power 27 Reverse VAR 40Q Over frequency 81O Under frequency 81U Reverse power 32R Rotating diode monitor Phase rotation error 47 Generator over current 51...

Страница 11: ...10V DC input providing remote control of the setpoints DC power input UTPUTS This list contains the outputs for the CGCM unit Pulse width modulated output power stage rated at 15 A Discrete redundanc...

Страница 12: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 HAPTER General Information OTES...

Страница 13: ...requirements for the CGCM unit are 63 5 mm 2 5 in of clearance is required on both sides of the unit when mounted 101 6 mm 4 in of clearance is required above and below the unit when mounted Overall...

Страница 14: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 HAPTER Installation IGURE 5NIT VERALL IMENSIONS...

Страница 15: ...unit is used for communication between CGCM units in a redundant system Suggested torque for terminal screws is 1 N m 9 lb in Refer to pages 17 34 for typical connection diagrams Terminals to be used...

Страница 16: ...B generator voltage input V Gen C Phase C generator voltage input V Gen N Neutral generator voltage input TB6 V Bus A Phase A bus voltage input 1 V Bus B Phase B bus voltage input 1 V Bus C Phase C bu...

Страница 17: ...r VT PMG inputs are on TB1 and are labeled PMG A PMG B and PMG C illustrating their respective phase relationships Single phase excitation power must be connected to terminals PMG A and PMG C Twisted...

Страница 18: ...nstallation IGURE XCITATION 0OWER ONNECTIONS PHASE 3HUNT IGURE XCITATION 0OWER ONNECTIONS 2 0 ENERATOR 4 0 0 0 3 3 USE USE 4 0 This diagram is based on a Leroy Somer 300 kW AREP auxiliary winding regu...

Страница 19: ...S ON REDUNDANT When the redundancy function is used three or four external flyback diodes in series must be placed across the generator field winding Refer to the redundancy wiring diagrams on pages 3...

Страница 20: ...nsing ENERATOR AND US 6OLTAGE 3ENSING CGCM units accept single phase or 3 phase generator and bus voltage sensing input with nominal voltages of 120 or 208V AC Refer to Terminal Block Label Descriptio...

Страница 21: ...ss current compensation system 6OLTAGE AND URRENT 3ENSING ONNECTION XAMPLES The following examples depict typical connections of voltage also called potential transformer VTs and current transformers...

Страница 22: ...Use of a third potential transformer is optional The CGCM unit can be connected in either open or closed delta Use of a third potential transformer is optional The CGCM unit can be connected in eithe...

Страница 23: ...CTION FOR OUR WIRE 7YE US AND OUR WIRE 7YE ENERATOR 3YSTEM WITH ROUNDED EUTRAL USE USE USE USE USE USE 4 4 6 US 6 US 6 US 6 US 4 6 EN 6 EN 6 EN 6 EN 4O OPTIONAL CROSS CURRENT REACTIVE COMPENSATION LOO...

Страница 24: ...se Fuse TB3 I1 5A I1 ID 5A I3 5A I2 5A I2 I3 ID I1 1A I2 1A I3 1A ID 1A TB 6 VBus A VBus B VBus C VBus N TB5 VGen A VGen B VGen C VGen N Customer Supplied CT Shorting Switch or Test Block Cross curren...

Страница 25: ...N TB3 I1 5 A I1 ID 5A I3 5 A I2 5 A I3 ID I1 1 A I2 1 A I3 1 A ID 1A TB 6 VBus A 6 us B VBus C VBus N TB 5 V Gen A VGen B V Gen C V Gen N I2 Optional Ground To optional cross current reactive compens...

Страница 26: ...TION FOR 4HREE WIRE 7YE US AND OUR WIRE 7YE ENERATOR 3YSTEM WITH ROUNDED EUTRAL USE USE USE USE USE USE 4 4 6 US 6 US 6 US 6 US 4 6 EN 6 EN 6 EN 6 EN USTOMER 3UPPLIED 4 3HORTING 3WITCH OR 4EST LOCK RO...

Страница 27: ...Fuse G TB 3 I1 5A I1 ID 5A I3 5A I2 5A I2 I3 ID I1 1A I2 1A I3 1A ID 1A TB 6 VBus A VBus B VBus C 6 us N TB 5 VGen A VGen B VGen C VGen N A C B Optional Ground To optional cross current reactive comp...

Страница 28: ...D URRENT ONNECTION FOR UAL REAKER US AND OUR WIRE 7YE ENERATOR 3YSTEM USE USE USE USE USE 4 4 6 US 6 US 6 US 6 US 4 6 EN 6 EN 6 EN 6 EN 4O OPTIONAL CROSS CURRENT REACTIVE COMPENSATION LOOP ROSS CURREN...

Страница 29: ...GE AND URRENT ONNECTION FOR 3INGLE 0HASE US AND 3INGLE PHASE ENERATOR 3YSTEM USE USE 4 6 US 6 US 6 US 6 US 4 6 EN 6 EN 6 EN 6 EN 4 4O OPTIONAL CROSS CURRENT REACTIVE COMPENSATION LOOP ROSS CURRENT 4 I...

Страница 30: ...6 UXILIARY NPUT The auxiliary input is a 10V DC input The auxiliary input terminals are on TB7 and are labeled VREF and VREF SHLD3 is provided for landing the cable shield Twisted shielded cabling is...

Страница 31: ...connection IGURE 4YPICAL AULT 2ELAY ONNECTION 2EDUNDANCY 2ELAY UTPUT The redundancy relay output is an open collector sinking output The redundancy relay output terminals are on TB4 and are labeled R...

Страница 32: ...LAY ONNECTION IAGRAM 4 4 ENERATOR URRENT ONNECTIONS 4YPICAL CONNECTION FOR ONE CURRENT INPUT THER CURRENT INPUTS INCLUDING THE CROSS CURRENT INPUT SHOULD DUPLICATE USTOMER 3UPPLIED 4 3HORTING LOCKS OR...

Страница 33: ...nput range on the AC current input Make connections with 2 6 mm 10 AWG copper wire for CT inputs The resistance of the cross current CT wiring must be as low as possible A loop resistance less than 10...

Страница 34: ...E 4YPICAL ROSS CURRENT 4 OCATIONS AND 0OLARITY ID 5A ID ID 1A L 1 L2 L3 G G2 A C B L1 L2 L3 L1 L2 L3 G G3 A C B G G1 A C B TB 3 ID 5 A ID ID 1 A TB 3 ID 5 A ID ID 1 A TB 3 Ground cross current loop at...

Страница 35: ...dundant system configuration Use a null modem cable for this connection See CGCM Unit Interconnection Cable table for connector pin numbers functions names and signal directions The cable pin out is i...

Страница 36: ...e of the unit chassis to fasten the tap cables Minimum bend radius for the ControlNet tap cables is 38 mm 1 5 in Take care not to kink or pinch the ControlNet tap cable or bend it more sharply than th...

Страница 37: ...guration settings and its internal control algorithms to provide the regulation synchronizing and protection functions described in this section For information on configuring the CGCM unit see Chapte...

Страница 38: ...are made through the terminal blocks TB1 TB7 IGURE RONT 0ANEL AYOUT NALOG NPUTS The CGCM unit provides a number of analog inputs for use in the regulation and control of stand alone and paralleled ge...

Страница 39: ...ations The inputs accept signals with up to 40 THD The bus voltage inputs are internally scaled by the CGCM unit according to its transformer configuration settings Bus voltage sensing inputs are labe...

Страница 40: ...ed power The control power inputs are labeled BAT and BAT XCITATION 0OWER NPUT The CGCM unit accepts either 3 phase or single phase excitation power Excitation power can be obtained from the generator...

Страница 41: ...detecting a shorted output The excitation output is clamped at a very low level when a low impedance connection is detected The CGCM unit indicates that the clamp is active by setting Spare2 bit in th...

Страница 42: ...ancy relay output is used to transfer excitation of the generator from the primary CGCM unit to the redundant CGCM unit in dual unit systems The redundancy relay output is labeled RD RLY OMMUNICATION...

Страница 43: ...ommands selection commands and setpoints from the host controller to the CGCM unit The Unscheduled Read table provides non time critical metering data from the CGCM unit to the host controller The Uns...

Страница 44: ...troller for any regulation mode to be active The CGCM unit automatically shuts down excitation if one of these faults occurs Overexcitation voltage Reverse VAR Logix controller fault AINS The CGCM uni...

Страница 45: ...nit controls field excitation current output to maintain the commanded generator voltage setpoint The AVR feedback loop includes adjustable proportional integral and derivative gains To activate AVR m...

Страница 46: ...load sharing is possible with other controllers of similar type Cross current compensation monitors the ID current V GEN A and V GEN C inputs to adjust the excitation level A gain adjustment is provid...

Страница 47: ...t reactive current is used to increase the generator voltage with increasing load based on the user configurable line drop compensation factor Line drop compensation is adjustable from 0 10 of the vol...

Страница 48: ...g SoftwareExcEn 1 remote Excitation Enable On discrete input the CGCM unit must be in AVR mode tag AVR_FCR_Select 0 droop must be enabled V_DroopEn tag 1 droop must be selected Droop_CCC_Select tag 0...

Страница 49: ...acking function to settle out after a step change in the operating setpoint is approximately four times the internal tracking rate setting The internal tracking delay setting adjusts the delay of the...

Страница 50: ...t Over excitation Limit Under excitation Limit ENERATOR APABILITY URVE The generator capability curve graphically depicts the combinations of real and reactive power a generator is able to produce or...

Страница 51: ...urable slopes that allow the user to define the Volts Hz characteristic The slopes are expressed in PU Volts PU Hertz For a nominal 60 Hz 120V system a slope of one corresponds to 2V per Hz The genera...

Страница 52: ...current compensation Line drop compensation Two OEL current levels high and low are defined for offline operation as shown in the graph below The generator can operate continuously at or below the lo...

Страница 53: ...n current is limited to the medium current value This prevents repeated cycling of the exciter field at its highest possible current value When the excitation current exceeds the OEL limit the OEL ala...

Страница 54: ...erse VAR Logix controller fault Fault conditions can also be configured to activate the CGCM unit fault relay output Once configured the CGCM unit fault relay operates independently of the host Logix...

Страница 55: ...voltage build and when soft start is active VER EXCITATION 6OLTAGE FIELD OVER VOLTAGE When the field voltage rises above the level you specified for more than a set amount of time a field over voltage...

Страница 56: ...s of sensing is expressed by this logical formula Loss of Sensing 1 and 2 and 3 or 4 or 5 and 6 For single phase sensing Loss of Sensing is detected when the following conditions exist in the proper l...

Страница 57: ...the Scheduled Read table 2EVERSE 6 2 1 When the Reverse VAR level exceeds the characteristic curve for an amount of time you set a Reverse VAR fault occurs The characteristic curve is a line that begi...

Страница 58: ...this fault occurs tag RevPwrFlt 1 in the Scheduled Read table 2OTATING IODE AILURE The Rotating Diode Monitor is capable of detecting one or more open or shorted diodes in the generator s rotor If a f...

Страница 59: ...oint a time dial setting and a voltage restraint setpoint The over current function meets ANSI IEEE C37 112 See Appendix A for a list of available curves and more detail If this fault occurs tag Ovr_I...

Страница 60: ...ncy matching and line to neutral voltage for phase matching Dual Bus The CGCM unit has the ability to synchronize a generator to either one of two reference busses The CGCM unit supports this by monit...

Страница 61: ...and the active bus inputs Dead bus If dead bus closure is enabled the CGCM unit sets the close breaker tag when the generator frequency and voltage are within the configured dead bus limits When the C...

Страница 62: ...es an active synchronization process The Initiate Synchronization tag enables the operation of the selected Synchronizing mode The host controller must select one and only one of the three modes descr...

Страница 63: ...2EAL POWER OAD 3HARING The real power load sharing function lets two or more CGCM units or other compatible generator control devices such as the Line Synchronization Module bulletin number 1402 LSM t...

Страница 64: ...rcentage of full scale at 25 C 77 F across the frequency range of the controller at unity power factor Metered parameters are communicated to the host Logix programmable controller via the Unscheduled...

Страница 65: ...tal Yes Yes Yes Yes Gen Power Factor 3 N A N A N A A B C Gen Power Factor avg Yes Yes Yes Yes Gen Frequency Yes Yes Yes Yes Excitation Current Yes Yes Yes Yes Gen Kilowatt Hours Yes Yes Yes Yes Gen kV...

Страница 66: ...ommunication port and the redundancy relay output 2EDUNDANCY OMMUNICATION 0ORT The redundancy ports of the partner CGCM units are connected together by means of a null modem cable The redundancy commu...

Страница 67: ...uit from sensing the total field current 2EDUNDANCY PERATION CGCM units in a redundant system must both be connected to the generator and bus VTs and the generator and cross current CTs as applicable...

Страница 68: ...imary unit designate itself the primary energize its redundancy relay output and take over excitation control When operating online that is with the generator breaker closed and the generator operatin...

Страница 69: ...citation output goes to a full on state Applying a tracking delay reduces the likelihood of this undesirable operating point to be transferred to the secondary CGCM unit when it takes over control 7AT...

Страница 70: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 HAPTER CGCM Unit Operation OTES...

Страница 71: ...URATION 0ROCESS Follow these steps when you use the RSLogix 5000 software to configure the CGCM unit 1 Gather the necessary equipment and information 2 Create a new module 3 Enter configuration for th...

Страница 72: ...The software is used to configure the CGCM unit for desired operation RSLogix 5000 software contains a device profile that provides a user interface to the CGCM unit configuration Refer to the CGCM R...

Страница 73: ...r 2 where the host firmware is revision 2 x 3 Click OK The Module Properties dialog box appears 4 Enter a Name for the module its ControlNet Node address and its Revision the minor revision number for...

Страница 74: ...chassis electronic keying provides protection against module mismatch You must choose one of these keying options for the CGCM unit during module configuration Exact match all of the parameters descri...

Страница 75: ...ion settings and use the configuration tabs to enter the settings PPLYING THE ONFIGURATION TO THE 5NIT The configuration tabs provide a simple way for you to enter and edit CGCM unit configuration par...

Страница 76: ...the bottom of the tab These buttons function as follows OK Accepts the entered values for each screen and returns the user to the previous screen Cancel Exits the screen and returns the values to the...

Страница 77: ...Configuration table Rated Current Sets the generator s rated current in amperes AC Sets the value of tag GenRated_I in the Configuration table Rated Power Sets the generator s rated power in Watts Se...

Страница 78: ...in entering the correct primary and secondary voltages Generator VT Configuration The generator VT configuration selections are 1 single phase 2 two transformer open delta 3 three wire wye and 4 four...

Страница 79: ...V in the configuration table The Bus B VT settings are used only by the CGCM unit if the Bus VT configuration selection is dual breaker Generator CT Primary Current Is the primary current rating of th...

Страница 80: ...Soft Start Initial Voltage to the nominal generator output voltage This parameter is stored in tag SoftStartTime in the Configuration table and is expressed in seconds Over excitation Voltage Setpoin...

Страница 81: ...s setpoint is stored in tag LossExc_I_TimeDly in the configuration table Rotating Diode Fault Main Pole Indicates the number of poles of the main field of the generator Stored in tag MainPole in the c...

Страница 82: ...table In this tag 0 PMG 1 Shunt Select PMG to enable the loss of PMG sensing Select Shunt for obtaining excitation power from the generator s terminals and for systems using series boost PMG Phase Sel...

Страница 83: ...ction of generator frequency between the upper and lower knee frequencies Tag VperHz_HiSlope in the configuration table stores this value expressed as a number that reflects per unit change in voltage...

Страница 84: ...current for setting both online and offline conditions Refer to Chapter 3 for more information on the operation of the OEL function Over excitation Limiting Enable Select this check box to enable over...

Страница 85: ...fflineLoSetpt Online Offline graph button Toggles to show online or offline OEL characteristics The graph pictorially represents the OEL settings Validate and Graph button Updates the graph in the OEL...

Страница 86: ...ing information Refer to Chapter 3 for more information on the operation of the UEL function Under excitation Limiting Enable Select this check box to enable over excitation limiting Tag UEL_En in the...

Страница 87: ...reakpoints As shown the curve continues horizontally left from point 1 and vertically up from point 5 The tags are expressed in Watts or VARs respectively Point 1 is defined by tags UEL_Curve_W_Pt1 an...

Страница 88: ...e Unscheduled Write table and are not automatically written to the unit Refer to Chapter 6 for a discussion of user programming necessary to transfer these parameters AVR FCR Control The AVR FCR gains...

Страница 89: ...r in the steady state voltage decrease Kd The tag AVR_FCR_Kd in the Unscheduled Write table stores this parameter Time Constant Td The filtering time constant Td is used to remove the noise effect on...

Страница 90: ...more information on tuning the VAR control gains Integral Gain Ki Sets the integral gain Generally if the time to reach steady state is too long increase Ki The tag VAR_Ki in the Unscheduled Write ta...

Страница 91: ...e auxiliary input on the AVR FCR operating setpoint The units are percent of rated generator voltage or excitation field current as applicable per auxiliary input volt The tag AVR_FCRAuxGain in the Co...

Страница 92: ...ting changes the rate at which the internal tracking function matches the non active excitation control modes to the active excitation control mode This sets the value of the InternalTrackRate tag in...

Страница 93: ...l regulator output and recovery to the desired operation has been delayed Redundant Tracking Redundant Tracking Rate This setting adjusts the rate at which the tracking function of the redundant CGCM...

Страница 94: ...ntrol Traverse Rate Sets tag AVR_Traverse_Rate in the Configuration table This parameter determines the time measured in seconds for the setpoint to move from zero to the rated generator voltage It de...

Страница 95: ...4RAVERSE 2ATES Related Parameters Internal tracking GenRatedExcI Traverse rates GenRated_V GenRated_I GenRatedExcI VAR Mode PF Mode Excitation Current VARs 0OWER ACTOR Generator Voltage PF Mode Setpo...

Страница 96: ...eptance window for voltage matching defined by Configuration table tags SyncV_LoLimit and SyncV_HiLimit These tags are set by using the Lower Limit and Upper Limit fields in the Synch tab and are expr...

Страница 97: ...or with three wire delta metering is synchronized to a bus with four wire wye metering set the phase offset to 30 to compensate for the 30 lag between the delta and wye systems Configuration table tag...

Страница 98: ...stores this value 0 ABC 1 ACB Bus Specifies the bus phase rotation Configuration table tag BusRotABC_ACB_Select stores this value 0 ABC 1 ACB Related Parameters GenVT_Config BusVT_Config GenRated_V 4A...

Страница 99: ...nerator is producing rated real power The tag LS_FS_V in the configuration table stores this value expressed in volts Limit Sets the maximum per unit load share error reported to the host controller T...

Страница 100: ...voltage Setpoint Establishes the over voltage setpoint used by the CGCM unit This setpoint is stored in tag Ovr_V_Setpt in the configuration table and scaled in per cent rated generator volts Delay E...

Страница 101: ...and scaled in seconds Compensation Settings Droop Percentage Establishes the voltage droop level at rated load when operating in Voltage Droop reactive current compensation mode This setting determin...

Страница 102: ...ting Tag Ovr_I_Setpt stores this parameter expressed in percent of rated generator current Over current Curve Selects the time over current characteristic curve that are used by the over current funct...

Страница 103: ...tag OvrFreqSetpt in the configuration table stores this parameter expressed in Hz Over frequency Delay Establishes the amount of time in seconds that the frequency must be above the over frequency se...

Страница 104: ...erse kW Fault Delay Establishes the amount of time in seconds that the reverse kW must be above the reverse kW setpoint before the CGCM annunciates the fault This parameter is stored in tag Rev_kW_Tim...

Страница 105: ...at particular fault The fault output relay operates when a selected fault occurs if the fault output is enabled and the corresponding fault tag in the Output Scheduled Write Data table is set In Serie...

Страница 106: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 HAPTER CGCM Unit Configuration OTES...

Страница 107: ...ion and Chapter 4 CGCM Unit Configuration If errors are encountered during startup refer to Chapter 7 Troubleshooting 3AFETY 7 2 Only qualified personnel following accepted safety procedures can insta...

Страница 108: ...can be a ControlNet network interface card catalog number 1784 PCC and its cable 4WO CHANNEL HART 2ECORDER OR THER 3UITABLE ATA 2ECORDING ETHOD A two channel recorder or other suitable method is reco...

Страница 109: ...ring interconnections 3 Verify that grounding wiring is correctly installed and that CT wiring has been correctly installed by using shorting terminal blocks or test switches you provided 4 Verify tha...

Страница 110: ...e steps apply only for CGCM units configured in a redundant pair 1 Connect a suitable load to the excitation output terminals of the CGCM units through redundancy relays you provide 2 Enable excitatio...

Страница 111: ...he metered values correctly reflect the simulated signal inputs If errors are found make the necessary wiring or configuration corrections 3TATIC 4ESTS OF 0ROTECTIVE UNCTIONS These tests can be perfor...

Страница 112: ...e function is working properly 1 Set the generator over voltage setpoint to a level that causes an alarm 2 Apply simulated generator voltage signals by using the test voltage source 3 Adjust the simul...

Страница 113: ...an FCR setpoint greater than the loss of field current setpoint 3 Apply simulated generator voltage signals by using the test voltage source 4 Adjust the AVR setpoint equal to the simulated generator...

Страница 114: ...e generator PMG supply leads to the CGCM unit 5 Verify that a generator loss of PMG alarm is annunciated following the expected delay 2EVERSE 6 2 1 Follow these steps to test that the Reverse VAR func...

Страница 115: ...ated generator frequency below the under frequency setpoint 6 Verify that an under frequency alarm is annunciated following the expected delay 2EVERSE 0OWER 2 Follow these steps to test that the Rever...

Страница 116: ...time point on the selected over current curve 4 Verify that a generator over current alarm is annunciated following the expected delay The delay is a function of the curve time dial selections voltag...

Страница 117: ...a step change increase Kd If there is too much jitter in the steady state output decrease Kd Because all of these terms impact the characteristic response it is necessary to balance all three to obta...

Страница 118: ...n 4 Verify that the phase line and average voltages reported in the CGCM unit s controller tags are as expected for the selected configuration 6ERIFY AND DJUST 62 ODE PERATION CONSTANT VOLTAGE Follow...

Страница 119: ...it properly synchronizes the generator to the reference bus ENERATOR REAKER IN 4EST 0OSITION Follow these steps to test synchronization when the generator breaker is in the test position 1 Verify the...

Страница 120: ...ntain constant real power 2 Adjust the voltage setpoint with the CGCM unit in Voltage Droop mode 3 Monitor the reactive power and verify that the measured reactive power changes by the expected amount...

Страница 121: ...is shared among the machines 6 2 ONTROL Perform this test with the generator operating in parallel with a large power source that is maintaining constant voltage Follow these steps to test the VAR co...

Страница 122: ...int and observe the response of the automatic PF control Adjust gains as required to achieve the desired result and run the test again 2EAL 0OWER OAD 3HARING PERATION Perform this test with two machin...

Страница 123: ...e configured V Hz lower knee frequency Verify the voltage decreases at the configured lower slope rate 5NDER EXCITATION IMITING 5 PERATION Perform this test with the generator operating in parallel dr...

Страница 124: ...EL Active tag 1 8 Observe the response of the excitation current reported by the CGCM unit 9 Adjust the OEL gains as required to obtain the desired stable response 10 Return the AVR setpoint to the ra...

Страница 125: ...nect one diode to create an open diode condition 9 Start the prime mover enable excitation and verify that the CGCM unit annunciates an open diode fault 10 Disable excitation and shut down the prime m...

Страница 126: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 HAPTER CGCM Unit Startup OTES...

Страница 127: ...ined data type depends on the major firmware revision selected If you need to change the major firmware revision in the ControlLogix project you must delete the CGCM unit from the controller I O confi...

Страница 128: ...r operation of your application Refer to Chapter 4 for information on configuring the CGCM unit with the RSLogix 5000 software module configuration dialog boxes 4ABLE 3UMMARY OF ATA 4ABLES ATA 4ABLE A...

Страница 129: ...he CGCM unit The follow are the two parts of the configuration data Configuration data table The configuration parameters for the CGCM unit are stored in the controller in the Configuration Data Table...

Страница 130: ...epted by the CGCM unit UnschdWriteRcvd indicates that a valid Unscheduled Write message is accepted by the CGCM unit Simplified logic rung to send the Unscheduled Write message from the controller to...

Страница 131: ...ile tabs Appy or OK is clicked The controller attempts to write the Configuration automatically If excitation is enabled the configuration write is rejected If excitation is not enabled the CGCM unit...

Страница 132: ...is section show the content and organization of the CGCM Unit data tables 4ERMS These terms are used in the following tables Spare Unused now can be available for future use If read spares are zero va...

Страница 133: ...Min Minimum CCC Cross Current Compensation OEL Over excitation Limiting CCCT Cross Current Compensation Transformer Out Output Comp Compensation Ovr Over Config Configuration PF Power Factor CT Curre...

Страница 134: ...I 0 SSEMBLY BJECT NSTANCE NPUT ATA 4ABLE 3CHEDULED 2EAD The Get Attributes Single service for instance 1 of the Assembly Object can access the following information ONFIGURATION HECKING No range check...

Страница 135: ...ol 5 PF_VAR_Control_Ened Power Factor VAR Control Enabled 0 Disabled 1 Enabled Bool 6 AVR_FCR_Selection AVR FCR Control Selection 0 AVR 1 FCR Bool 7 FLTResetAck Reset Acknowledge Fault 0 No 1 Yes 7 1...

Страница 136: ...active 1 Active Bool 5 OpenRotDiodeFlt Rotating Diode Open Fault Bool 6 HardwareExcEned Hardware Excitation Enabled 0 Disabled 1 Enabled Bool 7 SoftwareExcEned Software Excitation Enabled 11 1 Bool 0...

Страница 137: ...ed data type AB 1407_CGCM O 0 Revision 2 x or AB 1407_CGCM O 1 Revision 3 x or 4 x SSEMBLY BJECT NSTANCE UTPUT ATA 4ABLE SCHEDULED WRITE The Get Attributes Single service for instance 1 of the Assembl...

Страница 138: ...sabled 1 Enabled Bool 1 RevPwrFltOutEn Reverse Power Fault Output Enable Bool 2 OvrExcFltOutEn Over excitation Fault Output Enable Bool 3 Ovr_I_FltOutEn Over current Fault Output Enable Bool 4 Undr_V_...

Страница 139: ...le Bool 3 Spare5 Bool 4 Spare6 Bool 5 Bus A_B_Select Bus A B Select 0 Bus A 1 Bus B Bool 6 DeadBusClosureEn Dead Bus Closure Enable 0 Disabled 1 Enabled Bool 7 InitiateSync Initiate Synchronization 0...

Страница 140: ...AR Load Share Enable Bool 6 kW_LS_BridgeEn kW Load Share Bridge Enable Bool 7 kW_LS_En kW Load Share Enable 6 1 Bool 0 7 Spare13_20 7 1 Bool 0 7 Spare21_28 8 4 Real N A AVRSetpt Automatic Voltage Regu...

Страница 141: ...be represented by an energy tag is expressed by the following formulas When the energy tag value reaches 8 388 600 rated kVA of rated load and the unit is still providing the same load level or less t...

Страница 142: ...se C kVAR 60 4 Real Avg_I Average Current A 0 60 000 64 4 Real PhA_I Phase A Current 68 4 Real PhB_I Phase B Current 72 4 Real PhC_I Phase C Current 76 4 Real PhAB_GenV Phase AB Generator Voltage V 0...

Страница 143: ...s Single service for instance 6 of the Assembly Object can access the following information The Set Attributes Single service for instance 6 of the Assembly Object can access the following information...

Страница 144: ...NSTANCE YTE 3IZE IN YTES 4YPE 4AG AME ESCRIPTION 5NITS 2ANGE RROR ODE 0 4 Real LineDropComp Line Drop Compensation 0 10 1 4 4 Real AVR_FCR_Kp Automatic Voltage Regulator Field Current Regulator Propor...

Страница 145: ...Unscheduled reads and writes of the Configuration data table are supported If you wish to perform unscheduled reads or writes you must create a user defined data type and tags based on it that begins...

Страница 146: ...g box in RSLogix 5000 software displays an error code corresponding to the first offending configuration parameter The CGCM unit does not perform any application checking for example is a value suitab...

Страница 147: ...reqFltOutEn Under frequency Fault Output Enable Bool 7 OvrFreqFltOutEn Over frequencyFaultOutput Enable 5 1 Bool 0 Spare1 Bool 1 Loss_Exc_Flt_Out_En Loss Excitation Fault Output Enable 0 Disabled 1 En...

Страница 148: ...44 4 Real N A CCCT_Sec_I Cross Current Compensation Transformer Secondary Current A 1 5 10 48 2 INT N A GenVT_Config Generator Voltage Transformer Configuration 1 4 11 50 2 INT N A BusVT_Config Bus Vo...

Страница 149: ...0 30 000 36 148 4 Real N A VperHz_HiKneeFreq Volts per Hz Upper Knee Frequency Hz 15 90 37 152 4 Real N A VperHz_HiSlope Volts per Hz Upper Slope PUV PUHz 0 3 38 156 4 Real N A VperHz_LoKneeFreq Volts...

Страница 150: ...A LossExc_I_Setpt Loss Excitation Current Setpoint A 100 10 1500 66 218 2 INT N A LossExc_I_TimeDly Loss Excitation Current Delay s 100 10 990 67 220 4 Real N A UEL_Curve_W_Pt1 Under excitation Limiti...

Страница 151: ...R Traverse Rate s 0 200 86 296 4 Real N A FCR_Traverse_Rate FCR Traverse Rate s 0 200 87 300 4 Real N A VAR_Traverse_Rate VAR Traverse Rate s 0 200 88 304 4 Real N A PF_Traverse_Rate PF Traverse Rate...

Страница 152: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 HAPTER CGCM Unit Software Interface OTES...

Страница 153: ...dware and software and FCR select Correct Logix controller logic or I O as required Wiring error Check wiring for excitation enable excitation current output fuses open grounding and PMG supply Correc...

Страница 154: ...st as required Wiring error Check wiring for excitation enable excitation current output fuses open grounding and PMG supply Correct wiring as required 4ABLE XCITATION ONTROL 2 3YMPTOM OST IKELY AUSE...

Страница 155: ...on If less than 10V AC consult generator manufacturer s documentation and flash the generator field Generator not up to rated speed Check generator speed Increase generator speed to rated speed Correc...

Страница 156: ...active input Correct UEL configuration or change operating point Droop compensation is driving up the voltage Check Droop Enable Adjust disable droop compensation Voltage is erratic or unstable Gain...

Страница 157: ...Check stability in other control mode such as Droop If stable in other mode see above Otherwise check field output wiring and VT CT input wiring 4ABLE 2EACTIVE 0OWER ONTROL 6 2 3YMPTOM OST IKELY AUSE...

Страница 158: ...Voltage and or reactive load is unstable when operating in droop AVR Gains misadjusted Check voltage stability when operating isolated from load and if possible in constant voltage control Calculate c...

Страница 159: ...4ABLE OMPENSATION ODES INE ROP 3YMPTOM OST IKELY AUSE IAGNOSTIC CTION ORRECTIVE CTION Voltage does not change with changes in reactive load while not connected to the grid Line Drop not active Check t...

Страница 160: ...ply a load measure LS voltage Voltage equals kW Rated kW LSFSVoltage If Voltage not correct replace CGCM unit after verifying configuration settings Load sharing not enabled Check output tag kW_LS_EN...

Страница 161: ...match indicated check phase match error Observe phase error reported by CGCM unit during synchronization If no phase error is reported by CGCM unit correct wiring and verify appropriate Synchronizatio...

Страница 162: ...d VT wiring Wiring errors Adjust manually such that test equipment reference indicates synchronism the observe diagnostics above This information can be used to determine most likely wiring error Volt...

Страница 163: ...lue correct CT wiring If current indicated does not correspond to measured current see configuration errors If configuration is correct replace CGCM unit KW does not read correctly CT Wiring error See...

Страница 164: ...Bad node configuration such as duplicate ControlNet network address Steady off 5 View independently Channel disabled or not supported Flashing red and green 6 Invalid link configuration Flashing red 7...

Страница 165: ...its continues to excite replace CGCM units Connect personal computer by using hyperterminal or similar application to verify communication output from CGCM unit redundancy comm port If communication e...

Страница 166: ...g 60FL Fuse open Check VT fuses Replace as required Wiring error Check for open connections and phase rotation reversal Correct wiring as required Loss of permanent magnet generator PMG Excitation pow...

Страница 167: ...as required Insufficient number of fly back diodes installed Check number of external flyback diodes installed at CGCM excitation output if required Install as required Phase rotation error 47 Wiring...

Страница 168: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 HAPTER Troubleshooting OTES...

Страница 169: ...ngs of D greater than 0 1 and multiples of 2 40 times the pickup setting but not over 150 A for 5 A CT units or 30 A for 1 A CT units Sixteen inverse time functions and one fixed time function can be...

Страница 170: ...2 18592 1 000 1 000 0 028 15 750 4 L2 Long Inverse 2 3955 0 00000 1 000 0 3125 0 028 7 8001 5 D Definite Time 0 4797 0 21359 1 000 1 5625 0 028 0 8750 6 M Moderately Inverse 0 3022 0 12840 1 000 0 500...

Страница 171: ...time dial setting was then entered into the cross reference table If your electromechanical relay time dial setting is between the values provided in the table it will be necessary to interpolate est...

Страница 172: ...and 25 of nominal voltage the CGCM unit automatically reduces the selected over current setpoint linearly according to this formula Adjusted over current setpoint original over current setpoint genera...

Страница 173: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 Time Over current Characteristic Curves PPENDIX IGURE 4IME HARACTERISTIC URVE 3 3 3HORT NVERSE x SIMILAR TO...

Страница 174: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Time Over current Characteristic Curves IGURE 4IME HARACTERISTIC URVE 3 3HORT NVERSE x SIMILAR TO...

Страница 175: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 Time Over current Characteristic Curves PPENDIX IGURE 4IME HARACTERISTIC URVE ONG NVERSE x SIMILAR TO...

Страница 176: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Time Over current Characteristic Curves IGURE 4IME HARACTERISTIC URVE ONG NVERSE x SIMILAR TO...

Страница 177: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 Time Over current Characteristic Curves PPENDIX IGURE 4IME HARACTERISTIC URVE EFINITE 4IME x SIMILAR TO...

Страница 178: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Time Over current Characteristic Curves IGURE 4IME HARACTERISTIC URVE ODERATELY NVERSE x SIMILAR TO...

Страница 179: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 Time Over current Characteristic Curves PPENDIX IGURE 4IME HARACTERISTIC URVE NVERSE 4IME x SIMILAR TO...

Страница 180: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Time Over current Characteristic Curves IGURE 4IME HARACTERISTIC URVE NVERSE 4IME x SIMILAR TO...

Страница 181: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 Time Over current Characteristic Curves PPENDIX IGURE 4IME HARACTERISTIC URVE 6 6 6ERY NVERSE x SIMILAR TO...

Страница 182: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Time Over current Characteristic Curves IGURE 4IME HARACTERISTIC URVE 6 6ERY NVERSE x SIMILAR TO...

Страница 183: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 Time Over current Characteristic Curves PPENDIX IGURE 4IME HARACTERISTIC URVE XTREMELY NVERSE x SIMILAR TO...

Страница 184: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Time Over current Characteristic Curves IGURE 4IME HARACTERISTIC URVE XTREMELY NVERSE x SIMILAR TO...

Страница 185: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 Time Over current Characteristic Curves PPENDIX IGURE 4IME HARACTERISTIC URVE 3TANDARD NVERSE x...

Страница 186: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Time Over current Characteristic Curves IGURE 4IME HARACTERISTIC URVE 6ERY NVERSE x...

Страница 187: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 Time Over current Characteristic Curves PPENDIX IGURE 4 ME HARACTERISTIC URVE XTREMELY NVERSE x...

Страница 188: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Time Over current Characteristic Curves IGURE 4IME HARACTERISTIC URVE ONG 4IME NVERSE x...

Страница 189: ...the Excitation System Subcommittee 3YNCHRONOUS ACHINE 4ERMINAL 6OLTAGE 4RANSDUCER AND OAD OMPENSATOR ODEL The CGCM unit implements the load compensation by using the vector sum of the magnitudes of th...

Страница 190: ...imit VRLMT is related to the power input voltage VP to the CGCM and the exciter field voltage VR as follows VRLMT 1 4 VP VR The gain KG is used for compensating variations in system configuration such...

Страница 191: ...k Diagram for Var Controller and Per unit Block Diagram for PF Controller respectively Non windup limit VCLMT is used for bounding the VAR PF controller output voltages VQ and VPF IGURE 0ER UNIT LOCK...

Страница 192: ...ITER IGURE 5NDER EXCITATION IMITER 2EFERENCE Per unit Block Diagram for Over excitation Limiter shows the model of the CGCM over excitation limiter OEL The OEL makes up the inner loop of the voltage r...

Страница 193: ...to excessive magnetic flux resulting from low frequency operation and or over voltage V Hz limiter has been designed with an adjustable slope KV HZ from flat to 3 pu V Hz When the system is in an unde...

Страница 194: ...dynamic response is used while the voltage reference is adjusted based on the elapsed time When the system is under start up condition the voltage reference is adjusted by the amount calculated based...

Страница 195: ...is 0 The forcing limit VRLMT is related to the power input voltage VP to the CGCM the exciter field voltage VR and the programmed gain KG in this equation VRLMT 1 4 VP VR The gain KG is used for compe...

Страница 196: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX CGCM Unit Math Models OTES...

Страница 197: ...le below All data is stored in Little Endian format least significant byte first This is assumed for all data and structure formats described in this document that do not have the storage format speci...

Страница 198: ...1 of the Identity Object returns the following information 4ABLE ET TTRIBUTES LL SERVICE CODE X AME TTR ATA 4YPE 6ALUE Revision 1 UINT 1 Max Instance 2 UINT 2 Max ID Number of Class Attributes 6 UINT...

Страница 199: ...37 Revision Major Minor 4 USINT 2 Major Minor example 1 11 Status 5 WORD See Table 41 Device Status Serial Number 6 UDINT Unique device serial number Product Name 7 CHAR 1407 CGCM DC Series C or earli...

Страница 200: ...us configuration data The following recognized ControlNet General Response Codes are used in response to the reset request SSEMBLY BJECT CLASS CODE X The Assembly Object is used to provide application...

Страница 201: ...e PMG A and PMG C Min 56 Vrms Max 300 Vrms Min 50 Hz Max 342 Hz 3070 PMG 3 phase Floating wye Min 56Vrms L L Max 300 Vrms L L Min 50 Hz Max 342 Hz 3070 SE 2 Single phase PMG A and PMG C Min 56Vrms Max...

Страница 202: ...a grounded B phase Yes Min 99 Vrms L L Max 208 Vrms L L Min 20 Hz Max 90 Hz 0 24 4 Voltage sensing burden is 1VA per phase 4 0 For all wiring configurations the minimum voltage sensing threshold is 2V...

Страница 203: ...loating wye No Min 99 Vrms L L Max 208 Vrms L L Min 20 Hz Max 90 Hz Three phase Grounded wye grounded neutral Yes Min 99 Vrms L L Max 208 Vrms L L Min 20 Hz Max 90 Hz Three phase Open delta grounded B...

Страница 204: ...ical high voltage min 18V DC Logical low voltage max 5V DC TTRIBUTE Voltage rating 24V DC nom Voltage range 18 30V DC Rated current max 500 mA TTRIBUTE Continuous voltage 32 63 125V DC 1 1 Available o...

Страница 205: ...for watt and VAR measurements V Hz Characteristic Slope from 0 to 3PU is adjustable in 0 1PU increments Two knees and two slopes are available Response Time 1 cycle 2 PERATING ODE Accuracy 1 of rated...

Страница 206: ...URACY Pickup 10 320 of rated generator current 1 2 rated current Time delay Characteristic inverse per ANSI C50 13 configurable 0 1 s TTRIBUTE 2ANGE NCREMENT CCURACY Pickup 60 100 of rated generator v...

Страница 207: ...time 400 ms TTRIBUTE 2ANGE NCREMENT CCURACY Time delay 0 10 300 s 0 10 s 0 1 s TTRIBUTE 2ANGE NCREMENT CCURACY Pickup 30 70 Hz 0 01 Hz 2 Hz Time delay 0 10 300 s 0 10 s 0 1 s TTRIBUTE 2ANGE NCREMENT C...

Страница 208: ...CURACY Pickup 67 of rated voltage 2 of rated voltage Time delay 1 s 0 1 s TTRIBUTE Soft start initial voltage 0 90 of rated voltage in 1 increments Soft start time 1 7200 s in 1 s increments TTRIBUTE...

Страница 209: ...ncrement 0 1 A DC TTRIBUTE 2ANGE CCURACY Generator voltage 57 208V AC 0 2 50 60 Hz Generator current 0 5 A AC 0 2 50 60 Hz Generator frequency 10 90 Hz 0 05 Hz Bus voltage 57 208V AC 0 2 50 60 Hz Bus...

Страница 210: ...EN 60079 0 2012 EN 60079 11 2012 EN 60079 15 2010 EN ISO IEC 80079 34 2011 CE Compliance EN 60947 1 Low voltage switch and control gear requirements EN 50081 2 Electromagnetic compatibility emissions...

Страница 211: ...Publication 1407 UM001H EN P November 2014 Specifications PPENDIX 0HYSICAL HARACTERISTICS TTRIBUTE Width 247 7 mm 9 75 in Height 355 6 mm 14 00 in Depth 209 6 mm 8 25 in Weight 7 7 kg 17 lb Heat diss...

Страница 212: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 PPENDIX Specifications OTES...

Страница 213: ...d secondary voltage for the BusB potential transformers GenCT_Pri_I This tag defines the rated primary current for the Generator current transformers GenCT_Sec_I This tag defines the rated secondary c...

Страница 214: ...M unit NPUTS TO THE 5NIT SoftwareExcEn This tag is controlled by the host Logix controller and if set to 1 provides one of the necessary conditions for the field excitation to be enabled UTPUTS FROM T...

Страница 215: ...for operation in the AVR control mode AVR_FCR_Kp This tag sets the Proportional Gain parameter for AVR and FCR control modes AVR_FCR_Ki This tag sets the Integral Gain parameter for AVR and FCR contr...

Страница 216: ...filtering Time Constant for AVR and FCR control modes FCR_Kg This tag lets you adjust coarse loop gain and overall gain of the FCR operating mode It also determines the characteristic of the dynamic r...

Страница 217: ...ermines the characteristic of the dynamic response to a change in the power factor setting PF_Traverse_Rate This parameter determines the time measured in seconds for the PF setpoint to move from 0 50...

Страница 218: ...ermines the characteristic of the dynamic response to a change in the VAR setting VAR_Traverse_Rate This parameter determines the time measured in seconds for the setpoint to move from zero to the rat...

Страница 219: ...at which the V Hz characteristic starts to reduce the generator voltage as a function of generator frequency VperHz_HiSlope The Upper Slope tag configures the rate at which the V Hz characteristic re...

Страница 220: ...urrent level for the online over excitation limiting function Operation at this level is allowed for a time no longer than programmed in the OEL_OnLineMedTimeDly tag OEL_OnLineMedTimeDly This tag sets...

Страница 221: ...four other Watt VAR coordinate pairs lets you enter an Under excitation Limiting curve UEL_Curve_W_Pt3 This tag is used as the Watt coordinate in the third Watt VAR coordinate pair that in combinatio...

Страница 222: ...ed by the CGCM unit and wants the fault condition reset ENERAL 0ROTECTION UTPUTS FROM THE 5NIT FltOut This tag indicates that one of the configured protection faults has gone active FltResetAck This t...

Страница 223: ...his tag configures the over excitation voltage setpoint that the CGCM unit uses to recognize when an over excitation condition is present When the condition occurs the CGCM unit starts timing toward a...

Страница 224: ...the time to trip the unit once the generator Under voltage Setpoint has been exceeded EngineIdle Setting this tag to 1 enables Soft Start mode and disables the under frequency under voltage and Loss...

Страница 225: ...at which the CGCM unit recognizes a reverse kVAR loss of excitation condition is present and starts timing to trip based on the Reverse kVAR fault Delay setting Rev_kVAR_TimeDly This tag configures th...

Страница 226: ...res the time to shutdown annunciate once the generator Under frequency Setpoint has been exceeded EngineIdle Setting this tag to 1 disables the under frequency under voltage and Loss of PMG protection...

Страница 227: ...s when a shorted diode condition occurs DiodeMonitorTimeDly This tag sets the amount of time the CGCM unit takes before the CGCM unit announces the rotating diodes have an anomaly MainPole This tag se...

Страница 228: ...unit Ovr_I_Curve This tag configures the time over current characteristic curve that is used by the over current function of the CGCM unit Ovr_I_VrestSetpt This tag lets the timed over current charac...

Страница 229: ...This tag sets the lower limit voltage in percentage that is considered acceptable for a synchronization of two busses SyncPhHiLim This tag sets the upper limit phase in degrees that is considered acc...

Страница 230: ...n AutoSync This tag follows the AutoSyncEn tag setting in the Scheduled Write tag CheckSync This tag follows the CheckSyncEn tag setting in the Scheduled Write tag PermissiveSync This tag follows the...

Страница 231: ...This tag indicates to the host Logix controller that the synchronizing bus is producing voltage at a frequency lower than that of the reference bus Lower_Freq This tag indicates to the host Logix cont...

Страница 232: ...TS FROM THE 5NIT kVAR_LS_Active This tag is reserved for future use kW_LS_Active This tag follows the kW_LS_En tag setting in the Scheduled Write tag LS_Err This tag reports the load share error that...

Страница 233: ...value is loaded into the kVAR_hrs counter when Set_kW_Hrs is asserted kVAHoursPreset This value is loaded into the kVA_hrs counter when Set_kW_Hrs is asserted ETERING UTPUTS FROM THE 5NIT AvgPF This...

Страница 234: ...or Phases B and C PhCA_GenV This tag reports the Line to Line Voltage between Generator Phases C and A AvgLN_GenV This tag reports the Average Line to Neutral Voltage of the active phases of the gener...

Страница 235: ...veloped FreqLessThan10Hz This tag indicates that the generator frequency is less than 10 Hz 2EDUNDANCY This section describes the redundancy inputs and outputs for the CGCM unit 2EDUNDANCY NPUTS TO TH...

Страница 236: ...is tag indicates if the CGCM unit is still capable that the CGCM unit has a detected an internal failure CGCMInControl This tag indicates that the CGCM unit has hardware and software excitation enable...

Страница 237: ...unit ENERATOR NFORMATION In addition these generator characteristic curves provide information helpful in configuring specific functions Reactive capability curve Generator decrement curves Contact th...

Страница 238: ...Rated field current A DC 4ABLE 4RANSFORMERS 4AB 0ARAMETER 5NITS 3ETTING Generator VT configuration N A Generator VT primary voltage V AC Generator VT secondary voltage V AC Bus VT configuration N A B...

Страница 239: ...e select Single or three Loss of excitation current setpoint A DC Loss of excitation current delay s Rotating diode fault open diode level ripple Rotating diode fault delay s Rotating diode fault shor...

Страница 240: ...ium level setpoint A DC Online medium level time delay s Online low level setpoint A DC Offline high level setpoint A DC Offline high level time delay s Offline low level setpoint A DC 522 4 TIME IN S...

Страница 241: ...TATION IMITING 5 4AB 0ARAMETER 5NITS 3ETTING UEL Curve kW point 1 kW UEL Curve kW point 2 UEL Curve kW point 3 UEL Curve kW point 4 UEL Curve kW point 5 UEL Curve kvar point 1 kvar UEL Curve kvar poin...

Страница 242: ...ol proportional gain Kp AVR control integral gain Ki AVR control derivative gain Kd Time constant Td FCR overall gain Kg AVR control overall gain Kg AVR control voltage matching gain AVR FCR control a...

Страница 243: ...r limit Phase match lower limit deg Phase match upper limit deg Acceptance delay s Bus A voltage multiplier N A Bus A offsets phase deg Bus B voltage multiplier N A Bus B offsets phase deg Dead bus mi...

Страница 244: ...t V DC Over excitation Time Delay s Droop Percentage Line Drop Voltage Compensation 4ABLE URRENT 4AB 0ARAMETER 5NITS 3ETTING Over current Setpoint Over current Curve Over current Time Dial Over curren...

Страница 245: ...ATION 71 overview 71 preparation 71 record worksheet 237 tabs 76 current 102 excitation 80 fault relay 105 frequency 103 gain 88 generator 77 load share 99 OEL 84 power tab 104 synch 96 tracking 92 tr...

Страница 246: ...utputs 216 FIELD CURRENT regulation mode 45 regulator 195 FIELD OVER VOLTAGE 55 FIRMWARE REVISION CONSIDERATIONS 127 FREQUENCY TAB 103 FUNCTIONS 9 control 9 inputs and outputs 11 metering 10 protectio...

Страница 247: ...ROTATION CHECK 227 228 inputs 227 outputs 228 PHASE ROTATION FAULT 59 POWER FACTOR MODE 217 inputs 217 outputs 217 POWER FACTOR REGULATION MODE 47 POWER INPUTS 40 control power 40 excitation power 40...

Страница 248: ...204 reverse power 207 Reverse VAR 207 rotating diode monitor 207 soft start function 208 under excitation limiting 209 under voltage protection 206 voltage matching 208 SPIN THE GENERATOR 117 STARTUP...

Страница 249: ...y 165 5 5 TAB 86 UNDER EXCITATION LIMIT 53 inputs 221 222 outputs 222 UNDER FREQUENCY 58 UNDER FREQUENCY LIMIT inputs 219 USER PROGRAM INTERFACE 128 configuration messaging 129 operating interfaces 13...

Страница 250: ...Rockwell Automation Publication 1407 UM001H EN P November 2014 NDEX OTES...

Страница 251: ......

Страница 252: ...roduct Satisfaction Return Rockwell Automation tests all of its products to help ensure that they are fully operational when shipped from the manufacturing facility However if your product is not func...

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