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Operation Manual 37107F 

MFR 3 - Multi Function Relay 

 

 

 

 

© Woodward 

Page 99/165 

Time-Overcurrent Monitoring (TOC) 

 

 

NOTE

 

All percentage indications of the current are in relation to the generator rated current (Parameter 29). 

 
 

Function:

 The user may configure two steps for time-overcurrent monitoring. The threshold values and delays 

can be configured so that the individual set points are independent of each other. Overcurrent level 1 disconnects 
lower overcurrent levels that are present over longer periods of time. Overcurrent level 2 disconnects the more 
destructive higher currents quickly to protect against short circuit conditions. 
 

I >>

(I )

I >

(I )

t

2

t

1

t [s]

I [%]

1

2

 

Figure 6-1: Characteristic of the time-overcurrent monitoring 

 

Parameter 

135

 

Gen.overcurrent  
monitoring   ON   

Time-overcurrent monitoring 

ON/OFF 

ON

 ................ Generator overcurrent monitoring is enabled. The subsequent screens 

of this function are displayed. 

OFF

 .............. Generator overcurrent monitoring is not performed. The subsequent 

screens of this function are not displayed. 

 

Parameter 

136

 

Gen.overcurr. 1 
resp.value  000% 

Time-overcurrent: limit 1 

0 to 300 % 

The value configured in this screen is a percentage of the configured generator 
rated current. If this level is reached or exceeded for the configured delay time, the 
unit issues an alarm and opens the GCB. 

Tripping of class F3 alarm 

 

Parameter 

137

 

Gen.overcurr. 1 
Delay     00.00s 

Time-overcurrent: delay 1 

0.02 to 99.98 s 

The generator time-overcurrent monitoring threshold limit 1 must be exceeded, 
without interruption, for the time period configured here before the configured re-
lay will be energized. 

 

Содержание MFR 3

Страница 1: ...37107F Manual Software Version 3 4xxx Manual 37107F MFR 3 Multi Function Relay...

Страница 2: ...urned off before disconnecting the battery from the system Electronic controls contain static sensitive parts Observe the following precautions to prevent dam age to these parts Discharge body static...

Страница 3: ...ger corrected E 08 10 30 TE Minor corrections F 08 12 02 TE Minor corrections power display format Contents CHAPTER 1 GENERAL INFORMATION 9 Introduction 9 Measuring 11 Functional Range 12 CHAPTER 2 EL...

Страница 4: ...7 LEDs 48 Push Buttons 49 General Configuration 49 Control of the Power Circuit Breakers 51 Operating Mode Selector 51 LC Display 52 Automatic Mode First Display Line Measuring Values 52 Automatic Mod...

Страница 5: ...y Monitoring 111 Mains Voltage Monitoring 112 Mains d dt Phase Vector Shift Monitoring 114 Mains df dt Rate Of Change Of Frequency Monitoring ROCOF 116 Mains Decoupling Selection Between d dt and df d...

Страница 6: ...1 CAN Bus Structure 152 CAN Bus 152 Current Direction Message 152 Power Set Point Value Message 153 CAN Bus Address Requirements 153 APPENDIX G LIST OF PARAMETERS 154 APPENDIX H SERVICE OPTIONS 160 Pr...

Страница 7: ...rnal RC wiring for relay manager 27 Figure 3 20 Analog controller n f P wiring and jumper setting 27 Figure 3 21 Analog controller V Q wiring and jumper setting 27 Figure 3 22 Interface terminals 28 F...

Страница 8: ...Table 4 3 Operating conditions dead bus start 32 Table 4 4 Operating conditions dead bus start conditions 32 Table 4 5 Operating conditions isolated operation 32 Table 4 6 Operating conditions mains...

Страница 9: ...puts and real time clock Mounting B Flush mounting M DIN rail rear panel mounting Hardware variation non standard models e g custom relays Current transformer secondary 5 5 A Voltage transformer PT s...

Страница 10: ...a unit fitted with all available options Inputs outputs functions configuration screens and other details described which do not exist on your unit may be ignored The present manual has been prepared...

Страница 11: ...RMS current measurement Real power The control unit performs three phase true RMS power measurement This is accomplished by real time mul tiplication of the wye voltage and instantaneous conductor cu...

Страница 12: ...face Standard Event recorder with real time clock Language manager for message texts Standard Ignition speed relay function Standard Running hours counter Standard Maintenance call counter Standard St...

Страница 13: ...set point value for power factor Breaker logic open transition Standard Breaker logic closed transition Standard Breaker logic soft loading Standard Breaker logic parallel operation Standard Breaker...

Страница 14: ...holders cigarette packages cellophane wrappers vinyl books or folders plastic bottles and plastic ash trays away from the control the modules and the work area as much as possible 4 Opening the contro...

Страница 15: ...ed near to the device and in a position easily accessible to the opera tor This must also bear a sign identifying it as an isolating switch for the unit NOTE Connected inductive devices such as operat...

Страница 16: ...alog input 4 T4 Pt100 Alarm input Command open GCB Generator current L1 Generator current L2 Generator current L3 Generator voltage L1 Generator voltage L2 Generator voltage L3 SPEED POWER Analog cont...

Страница 17: ...1 Generator current L2 Generator current L3 Generator voltage L1 Generator voltage L2 Generator voltage L3 SPEED POWER three position controller or Analog controller output VOLTAGE POW FAC three posit...

Страница 18: ...mm Note When used in a 12 Vdc system please wire the power supply as described above Measuring Inputs NOTE The three phase system must have a dextrorotatory field right handed rotary field If the uni...

Страница 19: ...Busbar voltage L2 2 5 mm Mains L3 L2 L1 N Mains voltage MCB 52 L3 51 50 L2 L1 GCB G Figure 3 6 Measuring inputs voltage mains Terminal Measuring Description Amax 50 400 Vac direct or via measu ring t...

Страница 20: ...e 3 7 Measuring inputs current generator Terminal Measuring Description Amax 25 Transformer 5 A Generator current L1 transformer term s2 l 2 5 mm 26 Generator current L1 transformer term s1 k 2 5 mm 2...

Страница 21: ...B Reply Digital input D C 3 Figure 3 9 Discrete inputs control inputs Terminal Associated common Description according to DIN 40 719 part 3 5 8 3 Amax A B Make contact NO 3 7 Enable GCB 2 5 mm 5 Switc...

Страница 22: ...4 Discrete input D03 alarm input or switch breaker logic 2 5 mm 65 Discrete input D04 alarm input 2 5 mm 66 Discrete input D05 alarm input 2 5 mm 67 Discrete input D06 alarm input 2 5 mm 68 Discrete i...

Страница 23: ...PTC VDO 0 to 180 380 Ohm Analog input 0 to 5 V 0 to 10 V 0 to 150 mV Analog input 0 4 to 20 mA Analog input Pt100 or Pt1000 V Figure 3 12 Analog inputs Terminal Description according to DIN 40 719 par...

Страница 24: ...ose GCB 2 5 mm 16 17 Command close MCB 2 5 mm 39 40 Command open MCB 2 5 mm 41 42 Command open GCB 2 5 mm Relay Manager A B Relay output external device max 250 Vac Figure 3 14 Relay outputs relay man...

Страница 25: ...0 4 to 20 mA 1 5 mm Pulse Outputs B A Impuse output Open collector Figure 3 16 Pulse outputs Terminal Description Amax Real energy kWh A 137 Pulse output kWh pulse 1 5 mm B 136 Emitter Open Collector...

Страница 26: ...oller 2 5 mm 12 raise 2 5 mm 13 lower 2 5 mm Multi Functional Controller Outputs The Option Q is a controller output for the following signals which can be selected in the configuration menu and by in...

Страница 27: ...ontroller GND Speed power controller 8 10 9 GND PWM Speed Governor GND PWM PWM Speed power controller 8 10 9 A Voltage Speed Governor A U GND Speed power controller 8 A I 10 9 GND Current Speed Govern...

Страница 28: ...L Y1 Y2 Y3 Y4 Y5 Figure 3 22 Interface terminals Wiring Description Whether the terminals are designated X or Y depends on the configuration of the system Please refer to the wiring diagram A X Y B X...

Страница 29: ...esistance Note The termination must be effected with a resistor which corresponds to the wave impedance of the used cable e g 120 CAN bus CAN H CAN L GND Termination CAN bus CAN H Terminal resistance...

Страница 30: ...ecified length for the communication bus wiring might not be achieved if wire of poor quality is utilized there is high contact resistance or other conditions exist Reducing the baud rate may overcome...

Страница 31: ...ation point Input signals terminal Function Conditions Reply GCB is open 4 Enable GCB 3 Reply MCB is open 54 Enable MCB 53 1 0 x x Idle control A 1 0 x x N A B 1 1 x x Synchronization of the GCB C 0 x...

Страница 32: ...ditions Isolated Operation Isolated operation Generator voltage and frequency are adjusted to the configured set point values by raising and lowering the controller outputs for voltage and speed frequ...

Страница 33: ...rminal Function Conditions Isolated operation controller ON 35 Reply GCB is open 4 Enable GCB 3 Reply MCB is open 54 Enable MCB 53 x 0 x 0 x Mains parallel operation 0 OFF 1 ON x signal has no signifi...

Страница 34: ...io of the real power to apparent power In a purely resistive circuit the voltage and current waveforms are instep resulting in a ratio or power factor of 1 00 often referred to as unity In an in ducti...

Страница 35: ...ith the voltage the current is lagging leading The generator is over excited under excited Control If the control unit is equipped with a power factor controller a voltage lower signal is output as lo...

Страница 36: ...via Enable MCB ON Additional information can be obtained from the descriptions of the configuration screens 1 3 2 4 Command close MCB 16 17 Time s Time s Time s Release MCB 53 7 Reply MCB is open 54 7...

Страница 37: ...2 4 6 7 Command close GCB 14 15 Time s Time s Time s Time s Release GCB 3 7 Command open GCB 41 42 Reply GCB is open 4 7 Connection time GCB 5 Figure 4 3 Activation of the circuit breakers GCB ON OFF...

Страница 38: ...n abrupt disturbance variable is applied to the control loop the reaction of the controlled system can be rec orded at the output as a function of time step response 0 t s x T T 1 0 T x x d m x d x m...

Страница 39: ...al frequency monitor the amplitude and frequency If either of the two values change uncontrollably EMERGENCY SHUTDOWN Initial state The start position of the controller is determined using the initial...

Страница 40: ...eturn the process to the tolerance band If the gain is con figured too high the result is excessive overshoot undershoot of the desired value Reset time Tn 00 0s Reset time Tn 0 2 to 60 0 s The reset...

Страница 41: ...al power set point for the interchange A lower percentage influences the control more towards real power sharing The parameter kW kvar sharing reference variable kvar has no influence here Isolated op...

Страница 42: ...not permissible 4 The recommended cable for use as the CAN bus cable is a Twisted shielded pair Ex Lappkabel Uni tronic LIYCY TP 2 2 0 25 UNITRONIC Bus LD 2 2 0 22 5 The CAN bus cable must not be rout...

Страница 43: ...n the number of tool screen the numbers 1 to 8 with which you operate the MFR via LeoPC1 These numbers are identical to the unit numbers 7 Now start the LeoPC1 and load the corresponding configuration...

Страница 44: ...rvolt 2 Generator time overcurrent level 1 99 F3 Gen overcurr 1 Generator time overcurrent level 2 99 F3 Gen overcurr 2 Reverse reduced load 96 F3 Revers min power Overload 97 F2 Gen overload Unbalanc...

Страница 45: ...h button is pressed for 0 5 s t 2 5 s The terminal 36 is energized for 0 5 s t 2 5 s Result The Alarm LED changes from blinking to continually illuminated and the horn is silenced Acknowledgment via O...

Страница 46: ...he left side The configuration plug is located on the left side of the unit The direct configuration cable DPC connects there MAN Stop MFR 3 V kV A L1 A L2 A L3 Mains Parallel ON V1 V2 V3 AUTO ACK Set...

Страница 47: ...firm selection 13 Display V Route voltage display 13 Digit Increase digit 14 Set point Activate set point value 14 Cursor Move cursor one position right 15 Set point Increase MANUAL set point value 16...

Страница 48: ...LED in the center of the 15 LED s indicates that the measured phase angle between the voltage systems displayed is less than 12 electrical The phase angle is only displayed if the frequencies of the t...

Страница 49: ...Reply GCB is closed The GCB ON LED indicates that the GCB is closed when illuminated 11 MCB on Color Green Reply MCB is closed The MCB ON LED indicates that the MCB is closed when illuminated Push Bu...

Страница 50: ...mode alterna tively the setpoint values for the operating modes AUTO MATIC or MANUAL can be changed Certain setpoint val ues which are entered into the unit from external sources can only be displaye...

Страница 51: ...on mode has been enabled MCB ON Depending on which power circuit breaker logic has been se lected the MCB can be closed by pressing the MCB ON push button This process can be aborted if either the MCB...

Страница 52: ...wer set point 2 or an external setpoint value is active The user may configure if set point 2 a 0 4 20 mA input or an interface is to be uti lized LC Display 28 LC display LC display The LC display sh...

Страница 53: ...generator real power generator re active power determined using phase L1 current also if three phase power measurement was selected operating hours time remaining to the next maintenance call start c...

Страница 54: ...dervolt Main overfrequency 111 F0 Mains underfreq Mains underfrequency 111 F0 Mains overfreq Mains phase vector jump 114 F0 Phase shift Mains df dt 116 F0 df dt error Battery undervoltage 117 F1 Batt...

Страница 55: ...rates apply to each method Direct configuration 9 600 Baud 8 bit no parity 1 stop bit CAN bus configuration 125 kBaud CAUTION Please note that configuration only should be performed when system is not...

Страница 56: ...ters and the setting limits are concerned The respective voltage values 1 or 4 are placed first to differentiate the two types Basic Data Language Manager Parameter 1 Sprache language Language first...

Страница 57: ...mains and busbar voltage and frequencies the controller breaker and relay statuses during synchronization The specific displayed values are dependent upon the control unit hardware OFF The service dis...

Страница 58: ...n the busbar and mains is displayed by the synchroscope LED strip M Mains voltage and frequency B Busbar voltage and frequency Status of Relays During Synchronization Rel MCB f V GCB Status of breaker...

Страница 59: ...o hours after the last action is performed even if the configuration mode is accessed repeatedly If an incorrect password is entered the control unit reverts to code level CS0 and external users are b...

Страница 60: ...rence The event recorder stores the last 50 alarms in a FIFO First In First Out format beginning with the most recent event By pressing the ACK push button the displayed alarm condition is deleted fro...

Страница 61: ...etz Unterfreq Mains overfreq Mains vector phase jump Phasensprung Phase shift Mains df dt df dt Fehler df dt error Battery undervoltage Batt Unterspg Batt undervolt GCB synchronization time monitoring...

Страница 62: ...owl Remote acknowledgment via terminal 36 Quittierung Kl 36 Acknowledg ter 36 Acknowledgment via push button ACK Quittierg Taste Ackn button QUIT Mains failure Netzausfall Mains failure Mains return N...

Страница 63: ...If the following parameter direct para is configured to YES communication via the CAN bus ter minals X1 to X5 is disabled If communication is to be re established via the CAN bus after the unit is con...

Страница 64: ...in this block are not displayed cannot be modified and are therefore skipped Parameter 12 Generator number 00 Generator number 1 to 4 For multiple generator applications that are coupled via a CAN bu...

Страница 65: ...sf primary 00 000kV PTs primary generator 1 0 005 to 65 000 kV 4 0 020 to 65 000 kV The primary voltage is set here in kV This entry serves to indicate the primary vol tages in the display If a potent...

Страница 66: ...rimary voltage is set here in kV This entry serves to indicate the primary vol tages in the display If a potential transformer is not used the measured voltage of 120V would be configured as 00 120kV...

Страница 67: ...ump monitoring is not possi ble Parameter 24 Voltage meas Mains This screen affects the protective functions Voltage measurement system protection threephase singlephase The device can either monitor...

Страница 68: ...A lower percentage may lead to malfunctions and additional inaccuracies in the control and monitoring functions also occur The primary rated current of the CT must be entered here It is indicated on t...

Страница 69: ...A 00 0M W VA var S from 1000 kVA up to 10 MVA 000M W VA var S from 10 MVA 2 00 0k W VA var S up to 20 kVA 0000k W VA var S from 20 kVA up to 2000 kVA 00 0M W VA var S from 2000 kVA up to 20 MVA 000M W...

Страница 70: ...ositive real power a positive real current flows in the k to l direction in the current transformer Positive re active power means that with a positive effective direction inductive re active lagging...

Страница 71: ...T reaches the primary rated current the secondary rated current flows in the secondary winding of the CT Example for current transformer ratio 300 5 Current in the primary winding 300 A current in the...

Страница 72: ...screen and entering it into the unit If power to the unit is cycled off the unit starts up in CS0 Parameter 32 Define level 1 code 0000 Assign code level 1 customer 0000 to 9999 This screen is only di...

Страница 73: ...r is exported to the mains If insufficient power for the load requirements is generated remaining power required is imported from the mains Parameter 35 Power controller Pset1 I0000kW P controller set...

Страница 74: ...ort power operation is enabled Frequency Controller Parameter 37 Initial state Frequency 000 f controller initial state 0 to 100 This value is the initial state or start value for the frequency contro...

Страница 75: ...at in a steady state the actual value does not deviate from the generator frequency set point by more than the configured dead band value Synchronization The generator frequency is controlled in such...

Страница 76: ...dc 5 Vdc 0 5V to 4 5V 0 5 to 4 5V 0 5 Vdc 4 5 Vdc 0 to 20mA 0 to 10V 0 to 10V 0 Vdc 10 Vdc 10 to 0mA 5 to 0V 5 to 0V 5 Vdc 0 Vdc 4 5V to 0 5V 4 5 to 0 5V 4 5 Vdc 0 5 Vdc 20 to 0mA 10 to 0V 10 to 0V 10...

Страница 77: ...to prevent exces sive overshoot or undershoot Essentially this is the brakes for the process This portion of the PID loop operates anywhere within the range of the process unlike reset Voltage Control...

Страница 78: ...ue Parameter 55 Volt controller time pulse 000ms V controller minimum ON period 20 to 250 ms The minimum ON period of the relay should be selected in such a manner that the voltage regulator responds...

Страница 79: ...ponse is increased to permit larger corrections to the variable to be controlled The farther out of tolerance the process is the larger the response action is to return the process to the tolerance ba...

Страница 80: ...oller refer to Voltage Controller on page 77 The settings for the voltage controller also affect the power factor controller External Power Factor Set Point Value Parameter 63 Power factor external ON...

Страница 81: ...creased to permit larger corrections to the variable to be controlled The farther out of tolerance the process is the larger the response action is to return the process to the tolerance band If the g...

Страница 82: ...oint value The more rapidly the change in the set point is to be carried out the greater this value must be Power Limitation Parameter 74 Power limit P max 000 P controller real power limitation maxim...

Страница 83: ...to 20 mA or 4 to 20 mA analog input of the power factor controller is selected here depending on the type of input used 0 to 20 mA Minimum value of the setpoint is 0 mA maximum value is 20 mA 4 to 20...

Страница 84: ...variable to be con trolled The farther out of tolerance the process is the larger the response action is to return the process to the tolerance band If the gain is configured too high the result is e...

Страница 85: ...derivitive time constant If the re set time constant is too small the engine will continually oscilate If the reset time constant is too large the engine will take to long to settle at a steady state...

Страница 86: ...er gene rators Mains parallel operation real power load sharing in reference to the oth er generators Parameter 90 Reactive power load share ON var sharing ON OFF ON Re active power is shared between...

Страница 87: ...5 has been energized The generator can be given a remote start synchronized and the GCB can be opened via the CAN bus refer to Appendix F page 146 for a description of the interface telegram The gene...

Страница 88: ...k may be accessed for modifica tions NO The parameters in this block are not displayed cannot be modified and are therefore skipped Breaker Logic Parameter 94 Breaker logic Breaker logic see below The...

Страница 89: ...53 Enable MCB must be energized Breaker logic CLOSED TRANSITION make before break In this breaker logic the MCB and the GCB are synchronized in order to avoid a voltage free busbar Immediately after...

Страница 90: ...to the busbar If a class F2 alarm occurs shutting the generator down is delayed by the time con figured here This gives another generator the opportunity to start and assume the load The generator is...

Страница 91: ...systems to be connected cannot exceed the percentage value configured here for a connect command to be issued Parameter 102 Synchronize time pulse 0 00s Synch pulse time 0 02 to 0 26 s The duration o...

Страница 92: ...ion is attempted until it is accomplished The subsequent screens of this function are not displayed Parameter 107 Sync time contr Delay 000s Synchronization time monitoring final value 10 to 999 s Whe...

Страница 93: ...bus start max permissible differential frequency GCB 0 05 to 5 00 Hz The prerequisite to issuing a close command is that the monitored generator fre quency does not deviate from the generator rated f...

Страница 94: ...se the Reply MCB is open is detected the relay manager func tion 92 relay is energized and an alarm message is displayed If the generator is load sharing the add on command is deleted so that another...

Страница 95: ...externally CAUTION Mains power monitoring is not designed as a generator protective function If this function is to be used for generator protection it must be utilized in conjunction with an externa...

Страница 96: ...d The subsequent screens of this function are displayed OFF Generator power monitoring is not enabled The subsequent screens of this function are not displayed Parameter 123 Rev red power resp value 0...

Страница 97: ...ed or exceeded for the configured delay time the unit issues an alarm and opens the GCB Tripping of class F2 alarm without load shedding Parameter 127 Gen overload MOP Delay 00s Generator overload del...

Страница 98: ...ured generator rated power If this level is reached or exceeded for the configured delay time the unit issues an alarm and opens the GCB Tripping of class F3 alarm Parameter 132 Reactive pow ind Delay...

Страница 99: ...ercurrent monitoring Parameter 135 Gen overcurrent monitoring ON Time overcurrent monitoring ON OFF ON Generator overcurrent monitoring is enabled The subsequent screens of this function are displayed...

Страница 100: ...Monitoring of overcurrents including inversely proportional time dependent tripping characteristic The selected trip curve defines the tripping time according to the measured current The tripping tim...

Страница 101: ...00s Inverse time overcurrent time constant Tp 0 00 to 1 98s The time constant for tp is defined by this parameter Parameter 143 Inv time ov cur Ip 0 0 In Inverse time overcurrent current constant Ip 0...

Страница 102: ...s tp 1 0 s tp 0 5 s tp 0 2 s tp 0 1 s tp 0 05 s tp 1 6 s I start Ip Figure 6 3 Inverse time overcurrent characteristic high inverse Extremely Inverse Ip In I start 1 1 x In 0 01 0 1 1 10 100 1000 1 1...

Страница 103: ...excitation cannot be maintained As a result the unit cannot maintain power in order to initiate a voltage independent overcurrent delay The voltage restraint functionality reduces the overcurrent thre...

Страница 104: ...portional value at the knee curve setting Ia knee point setting in 100 Ip If the knee curve setting is configured to 20 for example and the monitored voltage is lower than 20 of the rated voltage the...

Страница 105: ...toring is enabled The subsequent screens of this function are displayed OFF Ground fault monitoring is not performed The subsequent screens of this function are not displayed Parameter 148 Earth fault...

Страница 106: ...oring ON Unbalanced load ON OFF ON Generator load imbalance monitoring is enabled The subsequent screens of this function are displayed OFF Generator load imbalance monitoring is not performed The sub...

Страница 107: ...g is not performed The subse quent screens of this function are not displayed Parameter 154 Gen overfreq 1 f 00 00Hz Generator overfrequency limit 1 40 00 to 85 00 Hz The value for overfrequency limit...

Страница 108: ...r underfrequency monitoring is not performed The subse quent screens of this function are not displayed Parameter 159 Gen underfreq 1 f 00 00Hz Generator underfrequency limit 1 40 00 to 85 00 Hz The v...

Страница 109: ...If the monitored vol tage reaches or exceeds this level for the configured delay time the unit issues an alarm and opens the GCB This value refers to the secondary voltage of the genera tor PT inputs...

Страница 110: ...is configured in this screen If the monitored voltage reaches or falls below this level for the configured delay time the unit is sues an alarm and opens the GCB This value refers to the secondary vol...

Страница 111: ...function are not displayed Parameter 174 Mains overfreq f 00 00Hz Mains overfrequency limit 40 00 to 70 00 Hz The value for the mains overfrequency limit is configured in this screen If the mo nitore...

Страница 112: ...Mains voltage monitoring refers to the phase phase voltages VPh Ph U Ph N Mains voltage monitoring refers to the phase neutral voltages VPh N Parameter 180 Mains overvolt U Ph Ph 000V Mains overvoltag...

Страница 113: ...F0 alarm Parameter 184 Mains undervolt U Ph N 000V Mains undervoltage limit 1 20 to 87 V 4 20 to 300 V The phase neutral voltage value for mains undervoltage limit is configured in this screen If the...

Страница 114: ...n the permissible range The voltage vector exceeds the configured limit value for the phase vector shift The breaker configured for mains decoupling is opened The requirement therefore is a mains para...

Страница 115: ...e phase d dt phase vector shift limit single phase 3 to 30 Tripping occurs if the electrical angle of the voltage curve shifts in any one phase by more than this configured angle If the value is reach...

Страница 116: ...OFF Mains frequency monitoring is not performed The subsequent screens of this function are not displayed Parameter 191 df dt monitoring release 0 0Hz s df dt ROCOF limit 1 0 to 9 9 Hz s The value to...

Страница 117: ...is level for the configured delay time the unit issues an alarm Tripping of class F1 alarm Parameter 195 Batt undervolt Delay 00s Battery voltage delay 0 to 99 s The battery undervoltage monitoring th...

Страница 118: ...ers in this parameter block may be accessed for modifica tions NO The parameters in this block are not displayed cannot be modified and are therefore skipped Blocking of Operation Mode Selector D02 Pa...

Страница 119: ...ond breaker logic may be configured during the configuration of the dis crete inputs When discrete input D03 is energized the second breaker logic is enabled Discrete inputs Setting Discrete input 1 2...

Страница 120: ...d alarm class to each discrete alarm input The monitoring functions are divided into four alarm classes F0 Warning alarm This alarm does not lead to an interruption of the operation An alarm message i...

Страница 121: ...utton or modifications can be made to the parameters Cursor Digit or Select push buttons This does not disable or enable individual parameters only if the individ ual parameters in this parameter bloc...

Страница 122: ...are dis played with an exclamation mark Parameter 209 Limit warning 000 C Analog input Pt100 warning limit 1 0 to 255 C The limit value at which a warning occurs is configured here Tripping of class F...

Страница 123: ...r 215 Analog input x 0 00mA x 1 7 Analog input 0 4 to 20 mA measuring range 0 to 20 mA 4 to 20mA The input range 0 to 20 mA or 4 to 20 mA is selected in this screen If 4 to 20 mA is selected here and...

Страница 124: ...ire break has been assessed by the control the threshold limit monitoring for the analog input is deactivated Measuring range monitoring tripping at 4 to 20 mA 2 mA negative deviation Pt100 240 C posi...

Страница 125: ...ich may be confi gured is located in Appendix D Each parameter is assigned a unique number The parameter may be scaled via an upper and a lower input value The analog outputs may also be assigned an e...

Страница 126: ...ction NOT operator logical function 1 2 3 Function numbers the following applies before Example of logical conditions and relevant texts Requested function Programming Relay energizes if function 22 i...

Страница 127: ...Pulse per positive kWh 0 1 to 150 0 The number of pulses per measured unit to be output is configured here Ex If 20 kWh have been measured and Pulse kWh 020 00 has been configured a total of 20 kWh 20...

Страница 128: ...d and can either be viewed Select push button or modifications can be made to the parameters Cursor Digit or Select push buttons This does not disable or enable individual parameters only if the indiv...

Страница 129: ...int that the engine firing speed has been reached Once the controller detects this the frequency controller assumes speed control Note Measurement is only possible above 15 Hz even if 5 Hz are display...

Страница 130: ...B NOTE Please note chapter Breaker Logic starting page 88 for description of the breaker logics Parameter 241 Download and open GCB ON Shutdown ON OFF ON The GCB is opened following power reduction if...

Страница 131: ...alarm message will be displayed when the counter expires Refer to Parameter 244 for a de scription of the maintenance call function OFF The maintenance call counter is disabled Parameter 244 Service...

Страница 132: ...operation This permits the user to display the correct number of engine hours if this controller is used on an older engine or this controller is to replace an older controller NOTE If the control uni...

Страница 133: ...IC mode 2 Navigate to the display screen Start counter 00000 using the Select button 3 Press and hold the Digit push button for 7 seconds kWh kvarh Counter Parameter 249 Display kWh on YY Display kWh...

Страница 134: ...ekday 00 0 Day and weekday user defined The day and weekday of the internal clock are configured Day 01 1st day of the month 02 2nd day of the month 31 31st day of the month if available Weekday 1 Mon...

Страница 135: ...other signals may lead to malfunctions and damage the unit the engine and or components connected to the unit CAUTION Please consider that the unit does not have an internal rotating field monitoring...

Страница 136: ...ng mains parallel operation change the operating mode from AUTOMATIC to MANUAL Open the MCB MCB ON LED will turn off Press the AUTOMATIC pushbutton to return the control unit back to the AUTOMATIC ope...

Страница 137: ...rd Page 137 165 Appendix A Dimensions 136 0 mm 1 50 99 93 83 48 105 111 X5 X1 130 8 0 mm 111 0 mm 136 0 mm 54 24 60 25 144 0 mm 32 0 mm 42 0 mm 144 0 mm 12 0 mm 2002 11 21 MFR 3 Dimensions r3ww 4702 a...

Страница 138: ...Gen 3 0 Irated IMains 1 5 Irated Power consumption 0 15 W Rated short to time current 1 s 5 10 0 Irated Ambient variables Power supply 12 24 Vdc 9 5 to 32 Vdc Intrinsic consumption max 15W Ambient tem...

Страница 139: ...Resolution PWM 8 12 Bit depending on model 0 4 to 20 mA output Maximum load 500 0 to 10 V 5 V output Internal resistance 1 k Interface isolated Insulation voltage 3 000 Vdc Version variable Housing T...

Страница 140: ...MW 2 Re to active power Actual value in L1 L2 L3 32 0 to 32 0 Mvar 2 Power factor cos Actual power factorL1gen mains value i0 00 to 1 00 to c0 00 Miscellaneous Real energy 0 to 4 200 GWh not calibrat...

Страница 141: ...or 1 e g 0030 corresponds to i0 70 3 Generator frequency Hz 100 0 lower frequency e g 0000 corresponds to 00 00 Hz 100 upper frequency e g 7000 corresponds to 70 00 Hz 4 Generator re active power kvar...

Страница 142: ...y scaleable 15 Analog input T5 C or F or freely scaleable 16 Analog input T6 C or F or freely scaleable 17 Analog input T7 C or F or freely scaleable 18 additional freely scaleable analog in put termi...

Страница 143: ...wer of 3 000 kW is exceeded Igen prim Vgen prim 3 3 000 kW The description 0 corresponds to the minimum input of 4 mA or 0 mA the description 100 corresponds to the maximum input of 20 mA The values c...

Страница 144: ...e limit exceeded Synchronization GCB 30 Generator re active power capacitive 33 Generator re active power inductive 32 Ground failure 33 Battery undervoltage 34 Interface failure terminals X1 to X5 35...

Страница 145: ...is happening 88 Lamp test activated 89 Malfunction Reply GCB is open failure during closing 90 Malfunction Reply MCB is open failure during closing 91 Malfunction Reply GCB is open failure during ope...

Страница 146: ...Bit 14 1 Internal Bit 13 1 Internal Bit 12 1 Internal Bit 11 1 Internal Bit 10 1 Internal Bit 9 1 Internal Bit 8 1 Internal If both bits are set for double bits the input is activated Bit 7 1 Bit 6 1...

Страница 147: ...Bit 0 1 Internal 4 2 14 Internal alarms 6 Bit 15 1 Internal Bit 14 1 Internal Bit 13 1 Dead bus start error time overrun FS Control input not active F0 Class F0 alarm not active F1 Class F1 alarm acti...

Страница 148: ...3 33 H B busbar status L B internal FFH Voltage and frequency present 00H Voltage and frequency not present 11 1 34 Mains voltage delta V23 V 10VmainsEXPO 11 2 35 Mains voltage delta V31 V 10VmainsEX...

Страница 149: ...overfrequency Bit 13 1 Bit 12 1 F0 Mains underfrequency If both bits are set for double bits the input is activated FS Control input not active F0 Class F0 alarm not active F1 Class F1 alarm active un...

Страница 150: ...minal 68 Discrete input D07 Bit 9 1 Bit 8 1 Terminal 69 Discrete input D08 Bit 7 1 Bit 6 1 Terminal 70 Discrete input D09 Bit 5 1 Bit 4 1 Terminal 71 Discrete input D10 Bit 3 1 Bit 2 1 Terminal 72 Dis...

Страница 151: ...for start stop synchronizing the MFR The following three data words can be re ceived by the MFR Refer to the GW 4 manual on how to control several MFR units MUX No Contents words Unit Note 1 1 1 Set p...

Страница 152: ...word 3 high byte In a visualization message the byte 0 is always used to show the hexadecimal value DD This one defines the message as a visualization message Since the complete transmission telegram...

Страница 153: ...e value transmitted is then 01 00 0000 1001 0110 B 4096 H E power of 300 kW is to be compensated The value transmitted is then 00 00 0001 0010 1100 B 012C H I power of 600 kW is to be compensated Nega...

Страница 154: ...01 Generator freq f set 40 0 to 70 0 Hz 50 0 Hz Rated system frequency 50 60 Hz 50 0 Hz Gen volt transf secondary 50 to 125 V 50 to 480 V 100 V Gen volt transf primary 0 005 to 65 000 0 020 to 65 000...

Страница 155: ...ntroller reset Tn 0 0 to 60 0 s 1 00 s Volt controller derivat Tv 0 00 to 6 00 s 0 00 s Pow fact contr ON OFF OFF on off on off Pow fact contr setpoint i0 70 to 1 00 to c0 70 1 00 Power factor externa...

Страница 156: ...B dead bus op ON OFF ON on off on off GCB dead bus op df max 0 05 to 5 00 Hz 0 45 Hz GCB dead bus op dV max 0 1 to 20 10 0 GCB dead bus op max time 0 to 999 s 030 s MCB dead bus op ON OFF ON on off on...

Страница 157: ...0 Hz 58 00 Hz Gen overfreq 2 Delay 0 02 to 99 98 s 00 10 s Gen underfreq monitoring ON OFF OFF on off on off Gen underfreq 1 f 40 00 to 85 00 Hz 45 00 Hz Gen underfreq 1 Delay 0 02 to 99 98 s 01 00 s...

Страница 158: ...ayed by 9ABC eng speed Y N NNNN Dig input 9ABC error class 0 to 3 1111 Errortxt term 62Terminal 62 any Terminal 62 Errortxt term 63Terminal 63 any Terminal 63 Op mod blocked by Ter 63 ON OFF OFF Error...

Страница 159: ...Pulse kWh 0 1 to 150 0 001 0 Pulse output 2 kvarh kvarh Pulse output 2 logic positive negative negative Reactive energy Pulse kvah 0 1 to 150 0 001 0 CONFIGURE DRIVE Configure Drive YES NO YES Y N Y...

Страница 160: ...ses your problem can be resolved over the phone If not you can select which course of action you wish to pursue based on the available services listed in this section Returning Equipment For Repair If...

Страница 161: ...epartment in Stuttgart 49 0 711 789 54 0 They will help expedite the processing of your order through our distributors or local service facility To expedite the repair process contact Woodward in adva...

Страница 162: ...the following international Woodward facilities to obtain the address and phone number of the facility nearest your location where you will be able to get information and service Facility Phone number...

Страница 163: ...r toll free or local phone numbers e mail us or use our website and refer ence technical support Product Training is available on site from several of our worldwide facilities at your location or from...

Страница 164: ..._________ REV ____________ Unit type MFR 3 ____________________________________ Serial number S N _______________________________________ Description of your problem __________________________________...

Страница 165: ...9 70565 Stuttgart Germany Phone 49 0 711 789 54 0 Fax 49 0 711 789 54 100 stgt info woodward com Homepage http www woodward com power Woodward has company owned plants subsidiaries and branches as wel...

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