Knowledge

1. Definition and function Distribution box Small distribution unit: mainly used for the distribution, control and protection of terminal power. It usually receives power from the

FZN25/FZRN25-12 Indoor Vacuum Load Switch Installation and Maintenance Guide 1. Installation steps Preparation before installation Inspect equipment: confirm that the switch has no

1. Structural type HXGN-12 (SF6 ring main unit) Fixed structure, SF6 gas insulation, small size, compact structure Modular design, suitable for ring main power supply system No cir

ZW32-40.5 and ZW30-40.5 are both outdoor high-voltage vacuum circuit breakers with a rated voltage of 40.5kV (35kV system), but they have certain differences in design, structure,

JN15-12 and JN17-12 are both 12kV high voltage grounding switches, mainly used for grounding protection of power systems, but they have certain differences in design, structure, ap

Maintenance method of XL-21 power distribution cabinet 1. Daily maintenance Regular inspection: Appearance inspection: Check whether the cabinet is rusted or deformed, and whether

Although the YB series prefabricated substation (European style) and the YB6 intelligent integrated substation belong to the same category of prefabricated substations, they have s

XGN17-40.5 and KYN61-40.5 are both 40.5kV (35kV level) high-voltage switchgear, but they have significant differences in structure, operation mode, application scenarios, etc. The

JXF series low voltage distribution box is a common power distribution equipment, widely used in low voltage distribution systems in construction, industry, civil and other fields.

ZW8-12 and ZW32-12 are both 12kV outdoor pole-mounted vacuum circuit breakers , but they have different design positioning, performance parameters and applicable scenarios. The fol

High-voltage disconnectors are important equipment in power systems, mainly used to isolate circuits, ensure maintenance safety, and change operating modes. The following are its s

The installation of GZDW (high-frequency switching DC power supply system) needs to be strictly carried out in accordance with the power industry standards and technical specificat