What are some complete sets of high and low voltage equipment

High and low voltage complete sets integrate all essential power distribution, switching, and control equipment into modular systems for safe, reliable, and efficient electricity delivery.

Overview

High and low voltage complete sets are integrated switchgear assemblies designed to manage, distribute, and protect electrical power in industrial, commercial, and utility applications. They combine components such as circuit breakers, disconnectors, protective relays, control devices, monitoring units, and automation systems into a single enclosure, ensuring seamless operation and safety across the power network. High Voltage (HV) Complete Sets: Typically operate above 1 kV and include SF6-insulated or vacuum circuit breakers, high-voltage switchgear, transformers, and protection/control devices.

They are used in substations, power plants, and industrial facilities to handle transmission and distribution of electricity safely. Low Voltage (LV) Complete Sets: Operate below 1 kV and include low-voltage switchgear, distribution cabinets, motor control centers (MCC), metering boxes, and integrated protection systems. They are widely used in factories, commercial buildings, residential complexes, and light industry for power distribution, motor control, and lighting.

Types of Equipment

High Voltage Equipment

Indoor Switchgear: KYN28A-12 (10 kV, 20 kV, 35 kV systems), HXGN*12 SF6 insulated metal-enclosed switchgear, XGN15-12 half-insulated ring network cabinets. Cable Tap Boxes: DFW series for 10 kV, 25 kV, 35 kV systems with SF6-insulated load break switches and high-grade insulation. Transformers: Dry-type and oil-immersed transformers for various power capacities, optimized for efficiency, low noise, and long lifespan.

Low Voltage Equipment

Fixed Switchgear: GGD-type fixed complete-set switchgear for reliable distribution. Withdrawable Switchgear: GCK-type and GHS168 drawer-type switchgear for flexible maintenance and high reliability. Distribution Cabinets: X-21 power distribution cabinets, JP-series outdoor integrated distribution boxes, and XM series metering boxes for residential and commercial applications.

Motor Control Centers (MCC): Integrated with power control centers for motor and lighting control.

Features and Functions

Protection: Overcurrent, short circuit, overload, and leakage protection. Monitoring: Voltage, current, frequency, and power quality measurement. Automation: Remote control, fault diagnosis, predictive maintenance, and SCADA/PLC integration.

Safety: Anti-misoperation interlocks, self-diagnosis, and self-protection systems. Customization: Modular design allows non-standard configurations to meet specific user requirements.

Applications

Industrial: Metallurgy, petrochemical, mining, steel mills, and manufacturing plants. Commercial: Hotels, shopping centers, office buildings, and high-rise residential complexes. Utility: Substations, power plants, and urban/rural distribution networks.

Specialized: Transportation, light industry, and energy sectors requiring reliable and compact power distribution solutions.

Summary

High and low voltage complete sets provide fully integrated, safe, and efficient solutions for modern power distribution. They combine switchgear, transformers, control, protection, and monitoring systems into modular assemblies suitable for a wide range of applications. With features like automation, remote monitoring, and flexible customization, these systems ensure reliable electricity delivery, operational safety, and energy efficiency across industrial, commercial, and utility environments.