12F617 - Switched Capacitor Bank Voltage Controlled

Revision 9
Nov 16, 2021

Notes:

  1. Engineer must specify Compatible Unit for desired capacitors:
    DB0115 - 300 kVAR (3 - 100)
    DB0116 - 450 kVAR (3 - 150)
    DB0117 - 600 kVAR (6 - 100)
    DB0118 - 900 kVAR (6 - 150)
    DB0119 - 1350 kVAR (9 - 150)
    If a capacitor bank size different than those listed above is required, the bank must be custom assembled from individual capacitor tanks.
  2. The capacitor bank, switches, surge arresters, junction box, control cabinet, and current sensor must be grounded. Refer to the grounding diagram for Compatible Unit N0272.
  3. Relocate neutral if necessary to provide clearance between bottom of capacitor tank and neutral.
  4. A current will flow between the capacitor rack and ground when capacitor switches are open. If a break should occur in the ground wire, a hazardous condition would exist upon opening the switches. The ground wire must be visually checked when climbing the pole.
  5. No work will be done on pole at or above capacitor bank level until the capacitors have been disconnected from line and discharged as follows:
    Before touching capacitor terminals, disconnect capacitor bank from the supply source, allowing five minutes minimum for discharge, then short and ground all terminals.
  6. Refer to District Drawing B - 1054, latest revision, for control wire schematic.

Material List

Compatible Unit Description Quantity
DB011- Capacitor, 7.2/12.47kV 3Ø Switched Bank 1
DB0451 Controller, Switched Capacitor, Automatic 1
E0202 Cutout, 100A 15 kV Polymer 3
I0101 Insulator, Spool w/ Rack #1 1
N0272 Switched Capacitor Bank Ground  
R0102 Bracket, Cutout Xarm Mount w/ 2, 3/8" x 6" CB 3
Z010* Clamp, Hotline Al 3
Z0603 Connector, Squeezon Al (#3) 2/0 - 3/0 to #6 - #1 2