Control and Relay Panel (CRP/C&RP)
Our Control and Relay Panel are designed for switchyards and turbine generating sets, ensuring seamless operation in 33kV, 66kV, and 132kV substations. Featuring advanced protection relays, precision metering, indicator systems, annunciations, and semaphore-indicating mimic diagrams, these panels deliver reliable performance, enhanced safety, and efficient power management for electrical infrastructure.
The price of this item shall be derived through proper design and detailed engineering. The item is manufactured on customised design.
Control and Relay Panel Specifications
| Purpose | Feeders of Transformer Switching/Control and Protection |
| Voltage | 3.3 to 33kV AC |
| STR | As Per Transformer of Client's Requirements |
| Current Rating | Up to 1250A |
| Breaker Type | Vacuum (fixed type) |
| Reference Standard | IS/IEC 62271 - 200 |
| Maximum Transporting Length | 1000mm |
| Ingress Protection (IP) | 55 |
| Busbar Material | Aluminium or Copper (as Per Client's Requirements) |
| Busbar Insulation | Air Insulated |
| Cublicle Enclosure Material | CRCA/Aluzinc/GP Sheets |
| Sheet Thickness | Main body 2.0 mm and partitions 1.5mm |
| Painting | Powder Coating Thickness between 60-80 microns |
| Wiring | Copper flexible wires as per rating required with sleeved lugs, number ferules, phase color coding |
| Current Transformer | Resin Cast CT with rated primary and secondary as per relays and meters with required VA burden and class of protection and metering |
| Potential Transformer | Resin Cast PT with rated primary and secondary as per relays and meters with required VA burden and class of protection and metering |
| Protection Relays | As per requirement of the feeder/transformer including auxiliary relays |
| Metering | As per requirement of the feeder/transformer like Ampere, Voltage, TVM or equivalent parameters |
| Indications/Annunciations | For status of the panel like ON, OFF or TRIP |
| Auxiliary Supply | DC 24 to 220V and AC 110V to 415V as per requirement of the customer |
| Main Power Connection Terminals | Cable entry from Bottom or Top Bushing for connecting directly to overhead lines with ACSR Conductors |
