XGW-12(24) Outdoor Intelligent Compact Substation

Box type substation XGW-12(24) Outdoor Intelligent Compact Substation The intelligent switchgear (outdoor ring main unit) adopts advanced technology, integrating 12/24kV switchgear, circuit breakers, load switches, current-voltage transformers, 12/24kV power supply potential transformers, switching station FTU and RTU, communication control unit (CCU), 12/24kV metering and automatic meter reading, UPS power supply, and indicators into a movable, sealed, and moisture-proof stainless steel enclosure. This achieves the integration and modular assembly of primary and secondary systems in urban distribution networks, shortens the construction period, and significantly improves the reliability of urban power grid operation.

Parameter

Product Introduction

Technical Parameters

Operating Environment Requirements

● Altitude: ≤4000 m

● Maximum Ambient Temperature: +40℃

● Minimum Ambient Temperature: -25℃

● Maximum Daily Temperature Difference: 25K

● Indoor Relative Humidity: Daily average ≤95%, Monthly average ≤90%

● Seismic Resistance: Horizontal ground acceleration 0.2g; Vertical ground acceleration 0.1g acting simultaneously. Tested using resonance, sine, and shock wave methods; stimulated 5 times, each time with 5 waves, with a 2-second interval each time, and a safety factor not less than 1.67.

● The installation location should be free from gases, vapors, chemical deposits, dust, pollution, and other explosive and corrosive media that could significantly affect the insulation of load switches. It is suitable for use in 10kV systems that are not grounded or grounded through low resistance or grounded through arc suppression coils.

Parameters Name	Unit	Content
		Load Switchgear	Combined Electrical Cabinet
Rated Peak Withstand Current Current	kA	50/63
Closed-Loop Breaking Current	A	630
Rated No-Load Transformer Breaking Current	A	25
Rated Transformer Breaking Current	A	16
Rated Transfer Switching Current	A		1750
Expected Short-Circuit Breaking Current (RMS) of the Fuse	kA		63
Ground Switch Short-Time Withstand Current	kA	25 / 1s
Rated Current Breaking Operations	Number of Times	≥200
Component Life	Number of Times	≥2000
Annual Leakage Rate of SF6 Gas	/	≤1%
Power Frequency Withstand Voltage（Phase-to-phase / Across contact / Phase-to-ground）	kV	42/48/42
Lightning Impulse Withstand Voltage（Phase-to-phase / Across contact /Phase-to-ground）	kV	42/48/42
Operating Voltage	V	DC 48V / AC 220V
External Insulation Creepage Distance Ratio	mm/KV	≥20
Tripping Discrepancy	ms	＜5
Closing Discrepancy	ms	＜5
Circuit Resistance	uΩ	＜140
Enclosure Protection Level	/	IP4X
Spring-Operated Mechanism		Manual, Upgradable to Electric

Product Introduction

Technical Parameters

Zhejiang Haijiang Electrical Appliances Co., Ltd.