S&C PureWave AVC Instructions For Installation And Operation Manual Download Page 1

S&C ELECTRIC COMPANY

Specialists in Electric Power Switching and Protection

Instruction Sheet 656-500

September 20, 2004

©

2004

Supersedes Instruction Sheet 656-500 dated 2-24-03

S&C PureWave AVC

 

Adaptive VAR Compensator

600 V

Instructions for Installation and Operation

TABLE OF CONTENTS

Section

Page

Section

Page

INTRODUCTION

Qualified Persons  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . . . .  2
Retain this Instruction Sheet . . . . . . . . . . . . . . . . . . . . .  2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2

SAFETY INFORMATION

Understanding Safety-Alert Messages  . . . . . . . . . . . . .  3
Following Safety Instructions . . . . . . . . . . . . . . . . . . . .  3
Replacement Instructions 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 Dimensions and Weights  . . . . . . . . . . . . . . . . .  8

INSTALLATION

Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
Placement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
Assembly  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
Access to Interior  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
Grounding  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14

CABLE CONNECTIONS

Conduit Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Output Connections   . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Completing the Installation   . . . . . . . . . . . . . . . . . . . . . 18

SYSTEM OVERVIEW 

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

MAIN COMPONENTS

Capacitor Stages   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Power-Electronic Switches   . . . . . . . . . . . . . . . . . . . . . 20
Microprocessor Controller  . . . . . . . . . . . . . . . . . . . . . . 20

OPERATING PROCEDURE

Start Up  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Off-Line Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Shut Down   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

PROTECTIVE DEVICES

Capacitor Fuses  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Inrush-Limiting Reactors   . . . . . . . . . . . . . . . . . . . . . . . 23
Cooling of SCR/Diode Valves  . . . . . . . . . . . . . . . . . . . . 23
Heat-Sink Temperature Sensors   . . . . . . . . . . . . . . . . . 23
Surge Arresters   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Frequency Scan  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Summary of Contents for PureWave AVC

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 24: ...Printed in U S A...

Reviews: