Custom Engineered Controls Details
Local control cabinets (LCC’s) are used to control gas insulated switchgear and interface with substation protection panels.
KEY FEATURES
Designed to ANSI C37.122, C37.11, and C37.2
Reliable electro-mechanical relay interlocking for safety & hardened control
System voltage from 69KV to 800 KV
Indoor or outdoor NEMA ratings
Hydraulic stored energy, torsion spring, and air compressor based breaker mechanisms
Interface options between switchgear, protection panels and SCADA systems
Complete point to point wire check and functionality test at factory
Individual design drawing package with each cabinet
Available Options
Bay Automation Controllers (GE, ABB)
Trip coil monitors (SEL, Scharer, E-Max)
Electromechanical relays or IED based control for contact multiplying and interlocking
Integral camera sockets and/or monitors for viewing status of switches
Integration of RTAC and DPAC for data concentration and protocol conversion
Integration of electronic protection relays into LCC
Choice of annunciators (SEL, RTK, Puleo, Seekirk, NovaTech)
Point on Wave (POW) / Synchronous Switching Controllers (SSC)
DNP3, MODBUS, IEC 61850, and Ethernet communication protocols
Hardwired or cable plug assemblies for GIS to LCC interface
Internal fiber patch panels
Integrated control for breaker, disconnect and ground switches.
KEY FEATURES
Single and three phase designs
Reliable electromechanical relay interlocking for safety and hardened control
Standard three door front access construction
System voltage from 12KV to 38KV
Internal swing panels for mimic, local control switches, and circuit breaker management systems
Available Options
Free standing cabinet or mounted to circuit breaker)
Interface cables hardwired to cabinet at factory
Stainless steel stand for high wind speed
Internal thermal insulation for low temperatures (-50 C)
Integral static starting switch circuit
Optional Ferro-resonance damper
Integral transformers for auxiliary power
Protection barriers for high voltage components
Enhanced mechanical key interlocking (Kirk Key, Superior)
Nuclear rated conduit
CSA inspection and certification
Heavy duty outdoor control cabinets for dead tank breakers (DTB) used in air insulated substations.
KEY FEATURES
Main control panels and individual pole controls
Integral transfer switch and transformer controls
Indoor or outdoor installation
System voltage up to 800 KV
Free standing cabinets
Aluminum or stainless steel enclosures
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