Switchgear and Electrical Distribution Cabinets

Switchgear and Controlgear Assemblies (SHERs) were developed to replace obsolescent RTZO type Switchgear and Controlgear assemblies used in NPPs. SHER systems are used to implement low-voltage Switchgear and Controlgear assemblies and actuator control modules of any type.

Main functions of Switchgear and Controlgear Assemblies are the following: actuators control; actuators protection from overloads and short-circuit current; power management and generalized fault indication conditioning. In turn, secondary functions of the assemblies include: self-diagnostics (monitoring of assembly power supply parameters; monitoring of load current of the assembly within three phases; status monitoring for hardware), diagnostics of actuators status (monitoring of load current within three phases; status monitoring for limit switches and actuators position; monitoring of on/off state; monitoring of working cycles and operating time; monitoring of control commands execution including detection of their source) and diagnostic data acquisition and transmission to external diagnostic system for events visualization and archiving.


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RPC Radiy

Pioneer in the Design, Manufacturing & Installation of FPGA-Based Instrumentation & Control (I&C) Systems

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