APCQ CAPACITOR BANKS
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Contents
1. Introduction .................................................................................................................................................. 4
2. Safety instructions ....................................................................................................................................... 4
3. Upon reception ............................................................................................................................................. 5
3.1. Lifting and transportation guidelines .................................................................................................... 5
3.2. Identification tag .................................................................................................................................. 6
3.3. Storage ................................................................................................................................................ 6
3.4. Packing & unpacking ........................................................................................................................... 7
4. Products overview and description ............................................................................................................ 9
4.1. APCQ capacitor bank series ............................................................................................................... 9
4.2. APCQ capacitor layouts ...................................................................................................................... 9
4.3. APCQ capacitor banks internal layout ............................................................................................... 10
4.4. Power Factor Controllers ................................................................................................................... 12
4.5. Power module .................................................................................................................................... 13
4.6. Thermal cutoff switch ......................................................................................................................... 14
5. Installation .................................................................................................................................................. 16
5.1. Working conditions: dust, moisture and temperature ........................................................................ 16
5.2. Harmonics pollution ........................................................................................................................... 16
5.3. Mechanical installation ...................................................................................................................... 16
5.3.1. APCQ-L capacitor banks ................................................................................................... 16
5.3.2. APCQ-M and APCQ-R capacitor banks ............................................................................ 17
5.4. Electrical installation .......................................................................................................................... 17
5.4.1. Dielectric test ..................................................................................................................... 17
5.4.2. Electrical connections overview ......................................................................................... 17
5.4.3. Earth connection ................................................................................................................ 18
5.4.4. Power cables selection ...................................................................................................... 19
5.4.5. APCQ-L capacitor bank electrical connections ................................................................. 19
5.4.6. APCQ-M and APCQ-R electrical connections – Bottom entry ........................................... 20
5.4.7. Auxiliary power supply ....................................................................................................... 21
5.4.8. Current transformer selection ............................................................................................ 21
5.4.9. Current transformer connection ......................................................................................... 22
5.4.10. Multi ratio CT and summation transformer ........................................................................ 23
5.4.11. Connection of several banks in parallel ............................................................................. 24
6. Options ........................................................................................................................................................ 25
6.1. Optional RVT controller ..................................................................................................................... 25
6.2. APCQ-M and APCQ-R electrical connections – Top entry (optional) ................................................ 25
6.3. Optional Circuit breaker or OT isolator switch connections ............................................................... 25
6.4. Cable entry cubicle ............................................................................................................................ 27
6.5. Assembly procedure on site of a multiple APCQ cabinets assembly ................................................ 27
6.6. Seismic design .................................................................................................................................. 28
6.7. IP54 design ........................................................................................................................................ 29
6.8. Wooden crates and Seaworthy packing ............................................................................................ 30
6.9. Optional IP20 internal grid for APCQ-M and APCQ-R ....................................................................... 31
6.10. Optional base frame (200 mm) and flanges (base frame covers) ..................................................... 31
6.11. Optional space heater ....................................................................................................................... 32
6.12. Optional internal lamp ........................................................................................................................ 33
6.13. APCQ from 350 to 550 kvar (master + slave with one connexion point) ........................................... 33
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