New Energy

AC-side protection for distributed PV power plants

Protective components for the grid connection point and combiner box, designed for outdoor environments and frequent switching operations.

Background

Project Background and Solution

The project is a distributed PV power plant on a factory roof. Protection devices must be installed at the point of common coupling (PCC) on the AC side, and a dual-circuit switching system must be provided for auxiliary power within the station. Component selection was completed based on inverter output characteristics and short-circuit current levels at the PCC. All components are delivered as part of the integrated switchgear assembly.

More Cases

Other Industry Case Studies

Industrial Manufacturing

Retrofit of Power Distribution System at Automotive Parts Factory

Replace main protective components in the stamping and welding workshops and recalibrate according to graded protection. After the upgrade, a single-circuit fault will affect only one work station section instead of the entire production line.

Commercial Buildings

Commercial Building Electrical Room Component Matching

Provides outgoing protection components and terminal boxes for office building power distribution rooms, with metering by floor zone. Includes a setting list delivered at handover.

Municipal Infrastructure

Municipal Water Plant Pump Station Control System Support

Provides contactors and protective components for pump station motor control panels to ensure easy maintenance under continuous operating conditions.