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S&C PureWave AVC, Инструкция по установке и эксплуатации

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656-500

Start Up

Upon energizing the PureWave AVC in RUN Mode, or after a power out-
age, the microprocessor controller starts automatically; firing of the
thyristors is prevented. A self-calibration routine is executed. Once the
proper firing sequence of the thyristors has been determined, the Pure-
Wave AVC goes into automatic steady-state operation. Start-up time is
approximately 30 seconds.

To start up the PureWave AVC:

1. Place the 

STANDBY/RUN

  switch on the control section in the

RUN

 position. See Figure 16.

2. If a circuit breaker has been furnished in the PureWave AVC,

press the 

CLOSE

  push button on the control section. (In some

configurations, 

OPEN

  and 

CLOSE

  push buttons may be

mounted on the control section door. If a circuit breaker has not
been furnished in the PureWave AVC, close the external circuit
breaker or disconnect switch.

Off-Line Operation

The PureWave AVC can be operated in standby mode to permit control
system configuration. In this operating mode, triggering signals to the
SCRs are disabled.

To  operate the PureWave AVC off-line: Place the 

STANDBY/RUN

switch on the control section in the 

STANDBY

 position. See Figure 16.

To  again operate the PureWave AVC on-line: Place the

STANDBY/RUN

 switch on the control section in the 

RUN

 position.

Ç

 

DANGER

This equipment contains high voltage. Do not attempt to access the
interior of the control section or capacitor section(s) when the Pure-
Wave AVC is energized. Failure to observe this precaution may result
in serious injury or death.

OPERATING PROCEDURE

STANDBY/RUN 

Figure 16. Control panel.

Содержание PureWave AVC

Страница 1: ...uctions and Labels 3 Location of Safety Labels 4 SECURITY PROVISIONS Enclosure Security 5 Access Control 5 INSPECTION AND HANDLING Packing 6 Inspection 6 Handling 7 DIMENSIONS AND WEIGHTS Section Dime...

Страница 2: ...ment These instructions are intended only for such qualified persons They are not intended to be a substitute for adequate training and experience in safety procedures for this type of equipment Quali...

Страница 3: ...c Canada Ltd It is important that any missing damaged or faded labels on the equipment be replaced immediately Replacement labels are available by contacting your nearest S C Sales Office S C Authoriz...

Страница 4: ...formation for Safety Labels Location Safety Alert Message Description Part Number A DANGER High Voltage Keep Out DD260020B001 B CAUTION This Equipment is Powered By Three Separate Sources DD260021B001...

Страница 5: ...ouble 90 degree bends which overlap the door openings adding rigidity and discour aging tampering Access Control Access to internal components controls and meters is controlled by padlockable doors Ba...

Страница 6: ...receipt as possible preferably before removal from the carrier s con veyance Check the bill of lading to insure that all shipping skids crates and containers listed thereon are present If there is vis...

Страница 7: ...ection See Figures 1 and 2 4 Make sure that the lifting hooks are completely engaged in the eyebolts before lifting the enclosure Do not cross the slings or chains 5 Avoid sudden starts or stops If a...

Страница 8: ...500 4 174 37 121 2 8 000 3 500 11 500 600 3 174 37 121 2 7 500 3 000 10 500 4 174 37 121 2 7 500 3 000 10 500 2500 480 3 261 37 121 3 8 500 4 000 3 500 16 000 4 261 37 121 3 8 500 4 000 3 500 16 000...

Страница 9: ...protected against condensation harmful gases cement dust and physical damage If nec essary the device can be temporarily stored outdoors prior to being installed and put into service Shelter it with a...

Страница 10: ...f the capacitor sections See Figure 3 Determine the section having working clearances most affected by adjacent walls or structures this section should be placed first 2 Unbolt each section from its s...

Страница 11: ...shers and nuts See Figure 5 Tighten each bolt to 240 inch pounds For outdoor installa tions use supplied gasket material between sections 2 Install the rear bus splices See Figure 5 and Figure 6 Thoro...

Страница 12: ...ed to access the ground bus splice and anchor brackets Figure 6 Cutaway view between sections showing rear bus splices left and close up of splice hardware right In some cases multiple washers may be...

Страница 13: ...require anchor brackets inside the unit capacitor trays may have to be temporarily removed to access the inside corners to mount the anchor bolts See Figure 7 Anchor brackets on outward facing flange...

Страница 14: ...nect the ground pad of the PureWave AVC to the facility system ground in accordance with the user s standard grounding practice and local codes See Figure 11 Use the equivalent of 4 0 copper or cable...

Страница 15: ...s dependent upon the options ordered with the PureWave AVC The PureWave AVC may be designed for connection using underground conduit or overhead race way Figure 12 Control section shown with output co...

Страница 16: ...50 foot pounds at the factory Other con nections employ flat washers if they have loosened they should be torqued to 35 foot pounds Check bus connections and where nec essary correctly tighten the co...

Страница 17: ...the nut Torque each bolt to 35 foot pounds or in the absence of a torque wrench tighten each bolt until the split lock washer is flat d For copper terminal pads to aluminum connectors use galva nized...

Страница 18: ...touched up should be cleaned to remove all oil and grease Sand the area removing any traces of rust that may be present make sure that all edges are feathured before apply ing primer Figure 15 S C re...

Страница 19: ...tive load Depending on its kVAR rating the PureWave AVC provides the total reactive power required by a variable reactive load within one cycle of the power frequency The dynamic response of the PureW...

Страница 20: ...urrent When the supply voltage crosses zero becoming negative the diodes conduct charging the capacitors to the negative peak value of the supply voltage At this instant the PureWave AVC current rever...

Страница 21: ...may be mounted on the control section door If a circuit breaker has not been furnished in the PureWave AVC close the external circuit breaker or disconnect switch Off Line Operation The PureWave AVC...

Страница 22: ...open the external circuit breaker or disconnect switch The capacitor trays are provided with a discharge resistor as a path for dissipating stored energy Discharge occurs such that the stored voltage...

Страница 23: ...heat sink dis ables the triggering signal for that capacitor stage if the temperature reading on the surface of the heat sink exceeds 85 C which is indica tive of fan misoperation Normal operation wi...

Страница 24: ...Printed in U S A...

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