Quantcast POWER PLANT OPERATING PROCEDURES

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TM  9-6115-662-13&P POWER PLANT OPERATING PROCEDURES BEFORE  OPERATION 1.  CHECK/SERVICE  BOTH  GEN  SETS  BEFORE  OPERATION.  CONNECT  "GND"  TERMINAL  TO  GROUND. CONNECT  CONTACTOR  POWER  CABLE. INDICATOR  LIGHTS 1.  STATUS  LIGHT,  INDICATES  LINE  BETWEEN  GEN  AND  SW  BOX  IS  HOT. 2.  ON  LINE  LIGHT,  INDICATES  SWITCH  BOX  CONTACTOR  IS  CLOSED  FOR  INDICATED  GEN. OPERATING   PROCEDURES 1.  START  EITHER  GEN.  ADJUST  VOLTAGE  AND  FREQUENCY. 2. PUT GEN “CKT INTRPT SWITCH” IN “CLOSED” POSITION. (SWITCH BOX “STATUS” LIGHT SHOULD LIGHT.) 3. AT SWITCH BOX, SET “ON-OFF” SWITCH TO “ON”. (“ON LINE” LIGHT SHOULD LIGHT.) LOAD TRANSFER PROCEDURES (SETS CONNECTED FOR PARALLEL OPERATION PER TM) 1. ON  “OPERATING”  GEN,  (GEN  NO.  1)  SET  “UNIT-PARALLEL”  SWITCH  TO  “PARALLEL”. 2.  START  GEN  NO.  2.  ADJUST  VOLTAGE  AND  FREQUENCY  TO  MATCH  GEN  NO.  1. 3. AT SW BOX, SET GEN NO. 2 “ON-OFF” SWITCH TO “ON”. (“ON LINE”  AND “STATUS” LIGHTS SHOULD LIGHT.) 4.  AT  GEN  NO.  2,  SET  “UNIT-PARALLEL”  SWITCH  TO  “PARALLEL”.  BOTH  “SYNCHRONIZING”  LIGHTS  SHOULD BE  GOING  BRIGHT  TO  DARK  TOGETHER. 5.  INCREASE  FREQUENCY  UNTIL  “SYNCHRONIZING”  LIGHTS  BLINK  TOGETHER  ONE  OR  MORE  TIMES  PER  SECOND. 6.  DECREASE  FREQUENCY  UNTIL  LIGHTS  BLINK  TOGETHER  ONCE  EVERY  3-4  SECONDS. 7. WHEN LIGHTS ARE DARK, SET GEN NO. 2 “CKT INTRPT SWITCH” TO “CLOSE”. GEN CONTACTOR LIGHT SHOULD  LIGHT  AND  “SYNCHRONIZING”  LIGHTS  SHOULD  GO  OUT. 8. AT GEN NO. 1, SET “CKT INTRPT SWITCH” TO “OPEN”, SET “UNIT-PARALLEL” SWITCH TO “UNIT”. TURN  “MASTER”  SWITCH  TO  “STOP”.  (AT  SWITCH  BOX,  “ON  LINE”  AND  “STATUS”  LIGHTS  FOR  GEN  NO.  1 SHOULD  GO  OFF.) 9. AT GEN NO. 2, SET “UNIT-PARALLEL” SWITCH TO “UNIT”. Figure 2-14. Power Plant Instruction Plate. 2 - 44


 


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