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GE GEH-5201, Инструкция по эксплуатации

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Содержание GEH-5201

Страница 1: ...GEH 5201C Application and Instructions Synchronous Motor Control vith CR192 Microprocessor based Starting and Protection Module...

Страница 2: ...lator Tune up Instructions 21 21 21 21 21 21 21 Section 6 Installation and Start up 23 6 1 Receiving and Installation 23 6 1 1 Installing Complete Controller Equipment 23 6 1 2 Installing Field Panels...

Страница 3: ...nstant polarity poles in the rotor which cause the motor to operate at synchronous speed as the rotor poles lock onto the rotating ac stator poles Torque at synchronous speed is derived from the magne...

Страница 4: ...stator flux At this point IFD yields a very convenient indicator of maximum flux and increasing torque from which excitation is applied for maximum effectiveness If the field discharge loop is opened...

Страница 5: ...rque excitation systems and control components The importance of speed for applying field cannot be over emphasized Rotor and load masses cannot be accelerated fast enough to allow synchronization if...

Страница 6: ...ices such as line ammeters are supplied All of these features are common with motor controllers of all types 6 RIBBON RELAYS FUSE Figure 9 Backbase view of CR192 JJ SPM In addition to full voltage sta...

Страница 7: ...MXI On reduced voltage starters remove jumper and connect a 6 5 N O auxiliary contact from Ihe final slep conlaclor here l LSPM 1 0 FCX I FCX2 V To Aula Loader Fu Nomenclature CB Ci rcu i t Breaker CM...

Страница 8: ...ess of field winding temperature C POWER FACTOR REGULATOR Power factor regulation is useful in those applications where motors are subjected to high level transient impact loads such as chipper drives...

Страница 9: ...uctance torque synchronizing A synchronous motor that is lightly loaded and connected to low inertia load may pull in to synchronism before the rotor poles are externally magnetized This is commonly k...

Страница 10: ...to stop conducting PRS signal then goes to 5V Negative half cycles more negative than 40V causes U1 to conduct pulling PRS to ground Results are a square wave representative of VOIS offset by 40V VOI...

Страница 11: ...or or auto transformer or part winding starting methods When these methods are used the available torque for acceleration is reduced from the torque that would result from a full voltage start Also th...

Страница 12: ...t run time and draw in the complete curve through the plotted point using the above curves as a guide Figure 14 Amortisseur winding squirrel cage protective for stall and acceleration at full voltage...

Страница 13: ...VI V I Vhv 0 V V v I V V I t L cD o 10 20 30 40 50 60 70 80 90 100 Percent Synchronous Speed NOTE These curves show how the trip characteristic of the amortisseur winding protection is adjusted for re...

Страница 14: ...or essentially as an induction motor on its amortisseur winding Slip with the field current removed is tolerable to the load and power system but intolerable for any length of time to the motor amort...

Страница 15: ...sists for the PF time delay the TRIP relay will operate and the motor will stop Also a line current surge greater than approximately four times motor full load will cause TRIP operation if the PF time...

Страница 16: ...o Fld Time Const IA VLine Motor Does Not Pull Out PF Approx 1 0 IAXA _ Dt Power Factor Lead 0 7 t 0 8 0 9 1 0 1 0 9 0 8 0 7 Lag 0 6 0 5 0 4 16 Motor PF Becomes Slightly lARA Lagging When Excitation Dr...

Страница 17: ...hasor Therefore a given line current that leads the conventional generator voltage phasor will lag the corresponding conven tional motor phasor Figure 19 shows that IA is lagging VAB conventional moto...

Страница 18: ...for 115 VAC is 75 V min to 132 V max Range for 230 VAC is 150 V min to 265 V max These voltage ranges should not be exceeded or erratic operation may result 18 NOTE Since the potential input for the...

Страница 19: ...ield Application FAR Load Application FCX Ana log I nputs Operator Key Pod Relay Outputs 2 Exciter Voltage Output Monitor The output of the field exciter must be connected to the fiSPM through a separ...

Страница 20: ...ttery storage Also if the lSPM is stored or left idle for long periods of time its set points do not have to be re entered prior to placing the unit back in service 20 4 5 Readout of module temperatur...

Страница 21: ...5 5 Field current display Field current may be displayed digitally if this option is ordered It becomes the third normally displayed value along with po r factor and line current The sa me se arate c...

Страница 22: ...e across the PF regulator output terminals N and N To enter the new value of floor voltage first press the ENTER then DISPLAY keys NOTE This method of parameter entry can only be employed while the mo...

Страница 23: ...screws do not need to be completely removed 2 Carefully disconnect the ribbon cable from the face plate assembly Disconnect the cable at the face plate assembly A small screwdriver can be used to gent...

Страница 24: ...AUTION DO NOT TOUCH ANY CONNECTION POINT AT THE REAR OF THE IlSPM POTENTIALS UP TO 1000 VOLTS MAY BE PRESENT ACROSS IN PUTS VF AND VF With control power on carefully follow the following procedure 1 S...

Страница 25: ...ircuits and to the Micro starting and Protection Module IlSPM Energizing the IlSPM causes the TRIP relay contacts TRP1 TRP2 to close and the IlSPM display to read SPM READY See Figure 10 or Figure 23...

Страница 26: ...rnal CPU message that indicates that the incomplete sequence counter was improperly initialized If the message persists the I1SPM should be replaced 26 BELOW CURVE D and ABOVE CURVE A These messages i...

Страница 27: ...ar a trip message such as PF TRIP or SCP TRIP press any key on the keypad CAUTION 00 NOT DEFEAT THE MOTOR RESTART PROTECTION PROVIDED BY THE IlSPM BY SWITCHING THE CONTROL POWER ON AND OFF OR BY DEPRE...

Страница 28: ...TE 3 A special SCR exciter and rectifier transformer is required in addition to the CR192 ttSPM with regulation option Contact factory for details NOTE 4 A separate resistor assembly is required suppl...

Страница 29: ...g for in the display above The operator may enter the number of the particular set point he wishes to change or if desired the ENTER key may be pressed and the JISPM defaults to the first set point Ta...

Страница 30: ...grammed at 3 then the motor can run for 30 seconds at 50 percent speed Three digit entry plus decimal This set paint is the motor nameplate full load current It is related to the C T ratio number 09 l...

Страница 31: ...nd 19 may be programmed while the motor is running See Section 5 7 entitled Regulator Tune up Instructions 17 POWER FACTOR REGULATOR The ILSPM is capable of providing a Closed loop Power Factor Regula...

Страница 32: ...offending parameter If there was more than one invalid parame ter the f SPM will flag the first bad one After the first parameter is changed and another attempt to exit the program mode is made the se...

Страница 33: ...n the Program Mode 8 6 Programming Example The following example uses the following motor data and should be referred to as the example progresses The data is for a 400 HP 4000 volt ring type motor We...

Страница 34: ...e mode 125 150 125 A Change to 125 volts ENTER FIELD V 125 A New value is entered SCAN FIELD 1 35 5 A Next set point 35 5 A Change mode 45 0 35 5 45 0 A Change rated field I to 45 amperes ENTER FIELD...

Страница 35: ...me implies no brushes or slip rings Instead it contains a rotating exciter with stator mounted dc windings and the armature winding on the rotor A rotor mounted solid state rectifier converts the ac f...

Страница 36: ...er 6 5 VT EFR I II Brushless EXCiter Field Fu Nomenclature CB CM Circuit Breaker Field Current Colibration Module 1 2 3 CT Current DCCT EFR Transformer Direct Current CT Exciter Fiel d Relay Fu Fuse G...

Страница 37: ...Multiples of Programmed Full Load Current Figure 24 Brushless stall acceleration protection characteristic lSPM starts tracking motor cool down at approximately a 15 minute time constant rate so that...

Страница 38: ...ordering 9 6 Programming the brushless fLSPM 9 6 1 Procedure The programming procedure for the brushless JlSPM is the same as for the collector ring JlSPM except that some program mable parameters are...

Страница 39: ...ip on rear of 10 Secure the removable half of the terminal module box is partially or totally strip to the stationary half by pressing the disconnected removable half so it is fully engaged with the r...

Страница 40: ...er factor 4 Increase REGULATOR FLOOR set point to regulator reference set point setting at or near override regulator to maintain stability during unity resulting in instability light load condition 5...

Страница 41: ...CR192 SPM in Table 8 TABLE 8 Renewal parts list See Figure 9 for location of parts Part Catalog Number Number Required Output Relay 4o o o N13Po 34 3 Fuse 0 4 Amp Buss MDL 4 1o 12o V 1 0 2 Amp Buss M...

Страница 42: ...V1 EXT E emal V2 Low Voltage GND V12 Input V2 NOTE MX1 The following continuous current limitations for the Internal CR192 N C M bridge conductor between the twin points is as follows Interlock MX CON...

Страница 43: ...62 11 20 12 00 5 92 I i 10 62 11 32 1 7 20 No 10 32 x 3 8 weld stud on inside of door Alternate drill and countersink front of L V I t _ L_ j r _ _ _ _ _ _rr_ _ _I_O__ fl_a t 5 38 j 0 40 J 0 50 L H SI...

Страница 44: ...7 Field current calibration module outline Terminal connections 1 no 10 32 stud I 1 00 Dio t 0 250 Dio mtg holes 3 50 J 1 63J r L 0 38 C 5 T l 2 50 3 25 FRONT j I 2 00 FRONT RATINGS 200A CAT NO MAG DC...

Страница 45: ...to the DCCT and provides a calibration adjust ment to obtain proper field amperes reading into the SPM This calibration is performed by means of Potentiometer R and is made in the factory prior to shi...

Страница 46: ...t Stabilized Voltage Transformer 30VA Min jLSPM CR192 E F VE VF VE VF N N 13S IE 13S IE 13T FCX1 13T FCX2 12S FCX3 12S TRP2 12T TRP1 12T FAR1 V1 FAR2 V1 V1EXT V2 GND V2 MX1 MX NX1 NX2 115VAC CR192E 23...

Страница 47: ...TIME X STALL 05 F L C AMPERES 05 F L C AMPERES 06 L R C X FLC 06 L R C X FLC 07 SYNC SLIP PERCENT 07 SYNC SLIP PERCENT 08 LINE FREQUENCY HERTZ 08 LINE FREQUENCY HERTZ 09 C T RATIO 5 09 C T RATIO 5 10...

Страница 48: ...allatioll operatioll or lllaintcnallCT Should further illh nllatioll he dcsil Cd or should particular problems arise which arc Ilot cmlTcd 1Illlllclltly the plm has s I u oses thc 1ll lttcr hould hc r...

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