Compact Sub-Station (CSS/PSS) comprises of factory built sheet metal enclosure housing MV Switchgear, Transformer, LT Switchgear, Power Factor Correction System, and other site specific requirement.
Space occupied by CSS will be only approx. 1/4 th of the space required for an open installation. It can be installed in the basement, yard or on the roof top.
Compact Sub- Station answers many important considerations of Architects-Aesthetics (no hanging and sagging wires, otherwise, give a clumsy look), Low Space requirement, safety, Easy and quick installation.
| UNITIZED SUBSTATION -STANDARD COMPONENTS | ||
| HV COMPARTMENT | TRANSFORMER COMPARTMENT | LV COMPARTMENT |
| Ring Main Unit (RMU ) | Oil Filled Transformer or Dry type/Cast Resin transformer | Incomer air circuit breaker and distribution MCCBs with built in over current and short circuit protection |
| Internal Lighting | Internal Lighting | Metering (Voltmeter and ammeter with selector switches) |
| Compartment fitted with lockable swing handle and three point latch | Cable/ bus bars for HV and LV Circuit breaker connection | Electrical Indicators and Indicator Lighting with Auxiliary supply plug & socket |
| Over current & earth fault protection | Current transformer for metering | Compartment fitted with lockable swing handle and three point latch |
| Door Limit switch and Boots for cable termination | Louvered Covers | Space heater with thermostat control |