GGD Series Fixed Low Voltage Switchgear Cabinet

2026-04-17
 

Large Machinery Manufacturing Workshop Power Distribution Project

Project Background

A heavy machinery manufacturing enterprise established a new machining workshop equipped with CNC lathes, large stamping machines, lifting equipment, and other high-power loads. The facility required highly stable, continuous, and reliable power supply with strong fault isolation capabilities.

Solution

Dongguan Electric GGD Low Voltage Switchgear was adopted to build the workshop's low-voltage power distribution system, including incoming cabinets, capacitor compensation cabinets, and feeder cabinets. The system provides centralized power distribution and protection for all production equipment and lighting systems within the workshop.

Project Results

  • The switchgear is equipped with comprehensive short-circuit, overload, and undervoltage protection functions, effectively isolating current surges caused by equipment start-up, shutdown, or faults, ensuring stable power supply when multiple large machines operate simultaneously.

  • Its fixed-structure design simplifies maintenance and minimizes the scope of power outages during inspections, significantly reducing recovery time after equipment failures and minimizing production downtime.

  • The capacitor compensation cabinet improved the power factor to above 0.95, reducing reactive power losses and helping the enterprise lower electricity costs.

Commercial Complex Power Distribution Project

Project Background

A large commercial complex located in a city's central business district, including a shopping mall, office buildings, and underground parking facilities, required a highly reliable and safe power distribution system to support diverse electrical loads such as HVAC systems, elevators, lighting, and fire protection equipment.

Solution

Dongguan Electric GGD Low Voltage Switchgear was selected as the core low-voltage distribution equipment. Independent feeder circuits were configured for different functional areas, along with dedicated fire protection power supply circuits to meet fire control and emergency response requirements.

Project Results

  • The switchgear features a high protection rating, enabling reliable operation in humid and dusty underground power distribution rooms without failures.

  • Independent circuit protection ensures that faults in one circuit do not affect power supply to other areas, maintaining uninterrupted operation of shopping and office facilities.

  • Fully compliant with building electrical fire safety standards, the system can be integrated with fire control systems to prioritize power supply to firefighting equipment during emergencies, enhancing overall building safety.

Distributed Photovoltaic Power Station Low-Voltage Grid Connection Project

Project Background

A commercial and industrial distributed photovoltaic power station required a solution to collect, meter, and connect low-voltage AC power generated by inverters to the user's low-voltage distribution network while supplying power to the station's auxiliary loads.

Solution

Dongguan Electric GGD Low Voltage Switchgear was utilized to establish the power collection and distribution system. The integrated solution combines incoming, busbar collection, metering, and feeder functions, making it suitable for the intermittent output characteristics of photovoltaic power generation.

Project Results

  • The robust cabinet structure withstands current fluctuations during grid connection, ensuring safe and efficient power collection and grid integration.

  • Integrated metering circuits facilitate power generation monitoring and energy management, meeting user-side metering requirements.

  • The outdoor-type cabinet offers a high protection rating and adapts well to the challenging environment of outdoor power distribution rooms, reducing long-term maintenance costs.

Municipal Hospital Power Distribution Upgrade Project

Project Background

A county-level public hospital upgraded its power distribution system to ensure uninterrupted power supply for critical loads such as operating rooms, intensive care units (ICUs), and laboratory equipment while meeting the stringent electrical safety requirements of medical facilities.

Solution

Dongguan Electric GGD Low Voltage Switchgear was selected to build a dual-power-source low-voltage distribution system. Dedicated emergency power circuits were configured to provide independent and reliable power protection for critical hospital departments.

Project Results

  • The automatic transfer function between dual power sources ensures rapid switching to emergency power in the event of a main power failure, preventing safety risks associated with medical equipment outages.

  • Standardized internal wiring and excellent insulation performance meet the stringent electrical safety requirements of healthcare facilities.

  • Low operating noise and zero electromagnetic interference ensure the normal operation of precision medical equipment, supporting uninterrupted medical diagnosis and treatment services.

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