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PlusTM and

PM™

Units

4.

Status Mode

Ground-Fault Display

When a ground-fault trip occurs, the display illus

trated in Figure 62 appears. The fault current is dis
played in units of

xCI',

the breaker CT sensor rating.

Multiply the sensor rating of the breaker by the dis

played fault current multiplier to obtain the ground
fault current at trip.

:J Ll

.L I

coo

STATUS

xCT

FAULT

Figure

62.

Trip Unit status display for ground-fault trip.

Protective-Relay Fault Display

After a protective-relay trip, the display indicates

FAULT

with a target for the type of relay that initi ated

the  trip.  This  is  illustrated  in  Figure  63  for  an
overvoltage  trip.  The  targets for  the  five  protective
relays are listed in Table  18.

STATUS

V>

FAULT

Figure

63.

Trip Unit status display for protective-relay trip.

Code

Protective Relay

llV

Voltage unbalance

Ill

Current unbalance

V<

Undervoltage

V>

Overvoltage

�l

Power reversal

Table

18.

Trip Unit display targets for protective relays.

32

Shunt Trip and Undervoltage Release Trip

Displays (RMS9D Series Trip Units Only)

When a Power Break ®II breaker trips due to the

Shunt Trip, Shunt Trip with Lockout, or
Undervoltage Release, the display indicates the trip

with a flashing target, as illustrated in Figure 64. The

indications

ST

and

UVR

appear for Shunt Trip and

Undervoltage Release trips, respec tively. Note that
the

FAU LT

segment does not display, since the trip

originated external to the breaker and may not
represent a true fault condition.

STATUS

UVR

Figure

64.

Trip Unit status display for Undervoltage Release trip.

Clearing the Trip Information

Since trip information is stored in nonvolatile mem

ory, the Trip Unit continues displaying the trip
information until it is manually cleared or a new trip

occurs. After the trip information has been recorded

or reviewed, it can be cleared with the keypad. With

the Trip Unit in Status mode, hold down the

VALU E

key and press the

SELECT

key. The trip information is

then cleared and the display reverts to

STATUS O K,

as

in Figure 56.

Trip Operations Counter Display

Trip operations counters record the total number of

overcurrent trips. To review any of the trip opera
tions counters while in Status mode, press the

S ELECT

key  until  the  desired  count  appears.  Figure  65
illustrates  a  typical  trip operations  counter  display.
This  example  indicates  that  there  have  been  three

long-time trips on this breaker since the counter was

last reset.

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Содержание MicroVersaTrip Plus RMS9C Series

Страница 1: ...Low Voltage Power Circuit Breakers Power Break Insulated Case Circuit Breakers Power Break II Insulated Case Circuit Breakers R Frame Molded Case Circuit Breakers Low Voltage Power Circuit Breaker Conversion Kits User s Guide w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 2: ...ccuracy the information contained herein does not cover all details or variations in hardware and software nor does it provide for every pos sible contingency in connection with installation operation and maintenance Features may be described herein that are not present in all hardware and software systems GE Electrical Distribution Control assumes no obligation of notice to holders of this docu m...

Страница 3: ...9 1 8 MicroVersaTrip Plus and MicroVersaTrip PM Accuracies 9 Chapter 2 Setup Mode 2 1 Overview 10 2 2 Operating Modes 10 2 3 Setup Mode Operation 10 Long Time Pickup 16 Long Time Delay 16 Short Time Pickup 16 Short Time Delay 17 Instantaneous Pickup 18 High Range Instantaneous Overcurrent Protection 18 Ground Fault Pickup 18 Ground Fault Delay 19 I Voltage Unbalance Relay Pickup 19 Voltage Unbalan...

Страница 4: ...wer 29 Power Demand 29 Peak Power Demand 29 Frequency 29 Chapter 4 Status Mode 4 1 Overview 30 Trip Information 30 Trip Operations Counters 30 4 2 Status Mode Operation 30 Normal Status Display 30 Long Time Overcurrent Pickup Display 30 Trip Target and Fault Displays 31 Long Time Overcurrent Fault Display 31 Short Time Overcurrent Fault Display 31 Instantaneous Fault Display 31 Ground Fault Displa...

Страница 5: ...ircuit Breakers 34 Type AKR Low Voltage Power Circuit Breakers 34 5 2 Rating Plug Removal and Replacement 35 5 3 Trouble Shooting Guide 35 Appendices Catalog Numbers for RMS9C Units in AK AKR Circuit Breakers 37 Catalog Numbers for RMS9C Units in Power Break Circuit Breakers 38 Catalog Numbers for RMS9D Units in Power Break II Circuit Breakers 39 Trip Unit Battery Suppliers 40 IV w w w E l e c t r...

Страница 6: ...Unit display for instantaneous pickup 18 20 Instantaneous overcurrent protection set point 18 21 Trip Unit display for ground fault pickup 18 22 Time current curve for ground fault pickup 19 23 Trip Unit display for ground fault delay showing r2T out 19 24 Time current curve for ground fault delay with r2T OUT 19 25 Time current curve for ground fault delay with I2T IN 19 26 Trip Unit displayfor v...

Страница 7: ...t display for aggregate energy 28 52 Trip Unit display for aggregate real power 28 53 Trip Unit display for aggregate apparent power 29 54 Trip Unit display for power demand 29 55 Trip Unit display for frequency 29 56 Trip Unit display for normal status 30 57 Trip Unit status display for long time overcurrent pickup 31 58 Typical fault display following a breaker trip 31 59 Trip Unit Status displa...

Страница 8: ...ies and resolutions 9 8 Trip time curves for breaker types covered in this guide 9 9 Abbreviations used in setup procedure descriptions 10 10 Actions of function keys in Trip Unit operating modes 1 1 1 1 Lower limit delays for long time delay bands 1 6 12 Lower limit delays for I2T OUT short time delay bands 1 7 13 Instantaneous pickup settings for various frame sizes with and without the short ti...

Страница 9: ...oVersaTrip Plus and MicroVersaTrip PM configurations The front views of the MicroVersaTrip PM Trip Units are shown in Figures 1 RMS9C and 2 RMS9D The RMS9C Trip Unit has a 36 pin rear connector while the RMS9D Trip Unit has a 50 pin rear con nector as shown in Figures 3 and 4 These connec tors provide the Trip Units main connections to the circuit breaker frame and to the equipment control signals...

Страница 10: ... AITENTION Ne pas utiliser le disjoncteur sans son declencheur Une mauvaise installation du declencheur peut etre dangereuse CAUTION Removal of the rating plug while the breaker is carrying current reduces the breaker s current carrying capacity to approximately 25 of the current sensor rating This may result in unde sired tripping AITENTION Si le calibreur est retire alors que le disjoncteur est ...

Страница 11: ...mmunications network commnet Metering functions Voltage V Energy kWh MWh GWh Total real power kW MW Total apparent power kVA MVA Demand power kW MW Peak demand power kW MW 3 Frequency Hz Protective relaying Undervoltage Overvoltage Voltage unbalance Current unbalance Power reversal NOTE MicroVersaTrip PM style Trip Units require external 24 Vdc control power NOTE Le declencheur de type MicroVersaT...

Страница 12: ...order given 4 Suff IX Protective Function s Short time overcurrent protection I Instantaneous overcurrent protection H Fixed high range instantaneous K Fixed high range instantaneous AKR 30S only G Ground fault GD Defeatable ground fault not UL listed Z1 or Zone selective interlock 72 Z1 ground fault only Z2 ground fault and short time X Switchable instantaneous short time and ground fault AKR onl...

Страница 13: ...same sensor rating Rating plugs for Power Break Power Break II and Type AKR breakers cannot be interchanged with Spectra RMS MicroVersaTrip Plus and MicroVersaTrip PM Trip Units A built in rejection feature prevents the insertion of a rating plug with an incorrect sensor rating into a Trip Unit Similarly a Spectra RMS rating plug can not be inserted into a Power Break Power Break II or Type AKR br...

Страница 14: ... control power supply and communication connections External 24 Vdc control power is required for operation 6 RMS9C type MicroVersaTrip PM Trip Units require a connection to an auxiliary switch within the breaker that senses the breaker position This connection is not required for RMS9D type MicroVersaTrip PM Trip Units used on Power Break II breakers POWER LEADERTM Communication Network The POWER...

Страница 15: ...wing are descriptions of the various labels on the front of the Trip Unit as illustrated in Figure 5 Extreme top circuit breaker series and or serial number of the breaker unless it is a replace ment unit Upper left corner Trip Unit series serial number such as RMS9C000143 7 I I TRIP UNIT DESIGNED FOR USE WITH GE POWER BREAK II S N 156075432 S N RMS90000143 D CAT B220LSIGPM I MicroVersaTrip PM Tri...

Страница 16: ...ime cold setup 10 Trip Unit status checks per year on a de energized breaker and one or two configuration changes per year The battery is not required for proper operation or protection of the breaker It is not needed nor used to store setpoints configurations or trip target information It provides a source of power to display setpoints and trip information only if no other source ofpower is avail...

Страница 17: ...ot include the accuracy rating ofany measuring instrument Refer to the trip time curves listed in Table 8 for characteristics and accuracies of overcurrent protec tion Full Scale Value Accuracy Resolution Current A kA 2 0 5 digit Voltage V 1 5 0 5 digit Energy kWh MWh GWh 3 5 0 5 digit Real power kW MW 3 5 0 5 digit Total power kVA MVA 3 5 0 5 digit Frequency Hz 1 Hz 1 Hz Time delay sec 1 sec 1 se...

Страница 18: ...ay to the next available option each time the key is pressed Continued pressing of a key eventually loops the display back to the initial option for that function This is illustrated in Figure 8 for the FUNCTION key which shows that repeatedly pressing this key cycles the mode among Status Metering and Setup Pressing the ENTER key more than once has no effect In Setup mode depressing the VALUE key...

Страница 19: ... yet active If a new set point is displayed but not selected by pressing the ENTER key set point value still flashing then the displayed set point is not entered into memory and the original value is maintained Multiple set point changes can be made in this fashion without changing the active settings For each of these changes the SETUP icon continues to flash 3 Press the FUNCTION key to activate ...

Страница 20: ...0 xLT No Other Setting Choices Setting Choices With Short Time Function Frame Size Min M ax _ Note Press FU NCTION key to store 800 2000 A 1 5 xln 1 5 0 xln 1 r l _ ns _ ta _ n _ ta _ n _ eo _ u _ s se tp e o in _ t _ in _ m _ e _ m _ o ry _ _ _ _ 3000 3200 A 1 5 xln 1 3 0 xln 4000 A 1 5 xln 9 0 xln Continued on next page Figure 9 Trip Unit setup mode programming function flow 12 5000 A 1 5 xln 7 ...

Страница 21: ...hoices Sensor Bating Min M ali 1 50 2000 A 20 xCT 60 xCT 2500 3200 A 20 xCT 37 xCT 4000 A 20 xCT 30 xCT h r t 5 0 _ 00 A 2 xCT 24 xCT All in steps of Continued on next page 0 01 xCT Setting Choices Additional OFF setting for X or GD options Setting Choices Setting Choices 1 to 1 5 sec OFF increments of 1 sec Setting Choices Figure 9 Trip Unit setup mode programming function flow continued 13 w w w...

Страница 22: ... Setting Choices 1 to 1 5 sec OFF increments of 1 sec Setting Choices Setting Choices UVR Pickup relay trip on 0 V Blank no relay trip on 0 V Setting Choices 1 to 1 5 sec OFF increments of 1 sec Setting Choices 1 1 0 to 1 50 in increments of 1 Setting Choices 1 to 1 5 sec OFF increments of 1 sec Setting Choices 1 0 to 990 kW in increments of 1 0 kW Figure 9 Trip Unit setup mode programming functio...

Страница 23: ...Choices 1 to 1 5 sec OFF increments of 1 sec Setting Choices 60 80 1 00 125 1 50 200 225 250 1 r r ____ __ _ r 300 400 450 500 600 630 700 750 800 900 1 000 1 100 1 200 1 250 1 500 1 600 2000 2400 2500 3000 3200 3600 4000 No Other Setting Choices Choices limited to frame size band Setting Choices 1 20 to 600 volts increments of 1 V Setting Choices 5 to 60 minutes in intervals of 5 minutes Setting ...

Страница 24: ...long time pickup Long Time Delay The Trip Unit display for long time delay is illus trated in Figure 1 2 This function allows normal momentary overloads without nuisance tripping The time delays at the lower limit of the bands at 600 of the long time current setting x LT are listed 16 in Table 1 1 Figure 13 illustrates the effect of this delay on trip time Press the VAL U E key to cycle through th...

Страница 25: ...I Trip Units ordered with the user selectable switchable instantaneous overcurrent and ground fault option X an additional value of OFF appears at the end of the delay band settings Choos ing OFF disables short time protection The short time OFF band is interlocked with instantaneous pickup so that only one function can be turned off at a time The I2T OUT function illustrated in Figure 17 estab li...

Страница 26: ...ous overcurrent and ground fault option X an additional value of OFF appears at the end of the listing of numerical values Choose this setting to disable instantaneous protection The instantaneous OFF selection is interlocked with short time pickup so that only one function can be turned off at a time High Range Instantaneous Overcurrent Protection High range instantaneous overcurrent protection h...

Страница 27: ...election appears as an additional time delay set point Selecting OFF disables ground fault protec tion GF SETUP DELAY Figure 23 Trip Unit display for ground fault delay showing t2r out 19 Band Time Delay sec OFF Disabled 1 0 10 2 0 21 3 0 35 Table 15 Lower limit delays for ground fault delaybands l E i Delay Set Points w71 T OUT Current Figure 24 Time current curve for ground fault delay with t2r ...

Страница 28: ...Unbalance Relay Delay This function sets the delay time before a current unbalance trip occurs The range of delays is 1 to 15 seconds in steps of 1 second Choosing OFF disables 20 current unbalance protection The Trip Unit display is shown in Figure 29 L11 f Lf SETUP s DELAY Figure 29 Trip Unit display for current unbalance relay delay Undervoltage Relay Pickup This function measures the true rms ...

Страница 29: ...function sets the delay time before an overvolt age trip occurs The range of delays is 1 to 15 sec onds in steps of 1 second Choosing OFF disables 21 overvoltage protection The Trip Unit display is shown in Figure 35 I LI V s SETUP DELAY Figure 35 Trip Unit display for overvoltage relay delay Power Reversal Relay Pickup This function measures the direction of power flow through the breaker and ini...

Страница 30: ... 60 80 100 125 150 200 225 250 300 800 400 450 500 600 630 700 750 800 2000 A 900 1000 1 100 1200 1250 1500 1600 2000 2500 1200 1500 1600 2000 2400 2500 3200 A 3000 3200 4000 A 1600 2000 2400 2500 3000 3200 3600 4000 5000 A 3200 4000 5000 Table 16 Trip Unit rating plug options Potential Transformer Primary Voltage Enter the primary voltage rating of the potential transformer as illustrated in Figu...

Страница 31: ...lustrated in Figure 43 23 SETUP C Ct ADDRESS Figure 43 Trip Unit display for setting communication address With Epic MicroVersaTrip systems the Field Programming Unit FPU calls for removal of the rating plug This is not required for addressing a MicroVersaTrip PM Trip Unit Simply press ENTER to identify the unit to the FPU The address shown on the FPU s display must not be changed at the breaker A...

Страница 32: ... activates Bell Alarm with Lockout 6 Enabled Protection trip activates Bell Alarm with Lockout Table 17 Accessory configuration switch settings including factory defaults 3 When a protection trip long time short time instantaneous ground fault or protective relay occurs the contacts of the Bell Alarm Alarm Only also change state The factory switch setting is enabled 4 When the Shunt Trip or Shunt ...

Страница 33: ...MicroVersaTrip PlusTM and MicroVersaTrip PM Trip Units Chapter 2 Setup Mode I I Figure 46 Setting the accessory configuration switches 25 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 34: ...Units include current metering Two configurations of the MicroVersaTrip PM Trip Units with PM and M suffixes in their catalog numbers have the full complement ofmetering displays The Trip Unit must be provided with control power to display metered values This can come from inter nal battery power from a MicroVersaTrip Portable Power pack from an external 24 Vdc power supply or by energizing the br...

Страница 35: ...Peak Power Demand Frequency METER WV METER METER MW rvETER DEMAND MWMETER DEMAND Back to Current Display Units display kW or MW flashes for peak power demand 6 0 Hz Chapter 3 Metering Mode 6 0 03 Hz Figure 47 Trip Unit metering mode function flow continued 27 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 36: ... neutral voltages VOLTS 1 Cf c METER Ph Ph Figure 50 Trip Unit display for line to line voltages 28 Energy This display illustrated in Figure 51 shows the aggregate energy flow through the breaker The value is displayed from 0 to 999 kWh then automati cally switches units to display 1 00 to 999 Mwh and then again to display 1 00 to 999 GWh When 999 GWh is exceeded the display switches back to 0 kW...

Страница 37: ... compared against the stored peak power demand If the new power demand is greater than the stored peak demand the Trip Unit stores the new power demand as the peak value The display of peak power demand is identical to the display illus trated in Figure 54 except that the units segment in this case MW flashes Peak demand is stored in nonvolatile memory The value in the display can be reset through...

Страница 38: ...information only for those options ordered with the Trip Unit For exam ple only MicroVersaTrip PM Trip Units can be equipped with protective relays and thus display information about them RMS9D series Trip Units only display trip targets for Undervoltage Release and Shunt Trip accessory trips when those accessory modules are installed in the Power Break II breaker Trip Operations Counters Trip ope...

Страница 39: ...g Time Overcurrent Fault Display Mter a long time overcurrent trip the trip informa tion display contains the fault current magnitude at trip the phase on which the fault occurred and the overload I and long time LT trip targets This display is illustrated in Figure 59 31 0 LT 1 AMPS STATUS FAULT Figure 59 Trip Unit Status display for long time overcurrent trip Short Time Overcurrent Fault Display...

Страница 40: ... with Lockout or Undervoltage Release the display indicates the trip with a flashing target as illustrated in Figure 64 The indications ST and UVR appear for Shunt Trip and Undervoltage Release trips respectively Note that the FAULT segment does not display since the trip originated external to the breaker and may not represent a true fault condition ST ATUS UVR Figure 64 Trip Unit status display ...

Страница 41: ...aring the Trip Operations Counters Since the trip operations counters are stored in non volatile memory the Trip Unit maintains the infor mation indefinitely To clear a particular counter first display the corresponding count then hold down the VALUE key and press the SELECT key The trip counter is reset to zero 33 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 42: ...e following procedure W ARNING Before beginning this procedure turn the breaker OFF disconnect it from all voltage sources and discharge the closing springs ifthey are charged by closing and then opening the breaker A VERTISSEMENT Avant de commencer cette procedure mettre le disjoncteur en position OFF le deconnecter de toute tension d alimentation et decharger les ressorts de fermeture 1 Loosen t...

Страница 43: ...ing plugs are removed with a Rating Plug Extractor Catalog No TRTOOL Suitable equivalents are commercially available as integrated circuit DIP extractors Grasp the rat ing plug tabs with the extractor and pull the plug out as illustrated in Figure 66 Be sure to grab the tabs and not the front cover of the rating plug or the plug may be damaged 35 Figure 66 Removing the interchangeable rating plug ...

Страница 44: ...n self test has detected an error Trip Unit is not in Status mode The commnetwires are shorted or improperly connected FPU version is lower than 2 0 The Trip Unit address is incorrect The rating plug value was defined incorrectly The potential transformer PT primary voltage was defined incorrectly The PT connection was defined incorrectly The battery is discharged The battery was stored too long w...

Страница 45: ... 2000 A 30 3000 A 32 3200 A 40 4000 A L Long time standard s Short time H High instantaneous I Instantaneous K Fixed high instantaneous G Ground fault GD Defeatable ground fault not UL listed w W curve Z 1 Ground fault zone selective interlock Z2 Ground fault and short time ZSI X Switchable instantaneous short time and ground fault p Relaying and communication M Metering and communication R Replac...

Страница 46: ...m CT 02 200 A 04 400 A 08 800 A 10 lOOO A 16 1600 A 20 2000 A 25 2500 A I 30 3000 A 40 4000 A L Long time standard s Short time H High instantaneous I Instantaneous G Ground fault GD Defeatable ground fault not UL listed Z1 Ground fault zone selective interlock Z2 Ground fault and short time ZSI p Relaying and communication M Metering and communication R Replacement trip unit 38 Function Breaker T...

Страница 47: ...aximum CT 02 200 A 04 400 A 08 800 A 10 lOOO A 16 1600 A 20 2000 A 25 2500 A 30 3000 A 40 4000 A L Long time standard s Short time H High instantaneous I Instantaneous G Ground fault GD Defeatable ground fault not UL listed Zl Ground fault zone selective interlock Z2 Ground fault and short time ZSI p Relaying and communication M Metering and communication R Replacement trip unit 39 Appendix 3 Func...

Страница 48: ...nit Battery Suppliers Catalog Supplier Nwnber Wilson Greatbatch Ltd 3B24 XA Electrochem Lithium Batteries 10 000 Wehrle Drive Clarence NY 716 759 5428 Contact the supplier for the nearest distributor 40 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 49: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 50: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 51: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 52: ...GE Electrical Distribution Control General Electric Company 41 WoodfordAve Plainville CT06062 GEH 62730 0596 1996 General Electric Company w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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