电网继电保护及故障信息管理系统由主站系统、通信网络和子站系统三部分组成。

The protective relaying and fault recorder information processing system is composed of a master station system, communication network and slave station system.

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该系统由主站系统、变电站电压无功实时控制子系统(VQC)和通信子系统构成。

This system consists of main station system, voltage reactive real-time control subsystem (VQC) and communication subsystem.

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系统由主站系统、变电站电压无功实时控制子系统（VQC）和通信子系统构成。

This system consists of main station system, voltage and reactive-power real-time control subsystem(VQC)and communication subsystem.

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