
YMB-12(24)/0.4) Prefabricated Substation (European Style Box Substation)
Classification:
Keywords: dry-type transformer series | oil-immersed power transformer series | special transformer series | box-type transformer series
Immediate ConsultationProduct Introduction
YBM pre-assembled substations (European-style box transformers) integrate high-voltage switchgear, distribution transformers, and low-voltage distribution devices into three separate compartments, achieving electrical connections through cables or busbars. The high and low voltage distribution devices and transformers used are all conventional standardized products. The intelligent pre-assembled substation series can combine high-voltage switchgear (RM6 or SFG, domestic load switch distribution remote automatic control device), transformers, low-voltage distribution equipment, low-voltage intelligent switches, and reactive power automatic compensation according to a specific wiring scheme, enabling local or remote operation to achieve functions such as remote control, remote measurement, remote counting, and remote adjustment. It is suitable for three-phase AC systems with a rated voltage of 24KV and below, a rated frequency of 50Hz, and capacities of 2500kVA and below for public distribution networks, ring networks, and terminal power supply in residential communities, industrial enterprises, large construction sites, high-rise buildings, airports, docks, and temporary facilities.
Model Description
Technical Performance Parameters
Item | Unit | Parameter | ||
High Voltage Part | Rated Frequency | Hz | ||
Rated Voltage | KV | 20 | 10 | |
Maximum Operating Voltage | KV | 24 | 12 | |
Working Withstand Voltage to Ground and Phase-to-Phase/Isolation Breaks | KV | 65/79 | 42/48 | |
Lightning Impulse Withstand Voltage to Ground and Phase-to-Phase/Isolation Breaks | KV | 125/145 | 75/85 | |
Rated Current | A | 400 | 630 | |
Rated Short-Time Withstand Current | KA | 16(2S) | 20(2S) | |
Rated Peak Withstand Current | KA | 40 | 50 | |
Low Voltage Part | Rated Voltage | V | 380 | 220 |
Main Circuit Rated Current | A | 100~4000 | ||
Rated Short-Time Withstand Current | KA | 15~50 | ||
Rated Peak Withstand Current | KA | 20~105 | ||
Branch Current | A | 10~800 | ||
Number of Branch Circuits | Circuits | 1~12 | ||
Compensation Capacity | kvar | 0~360 | ||
Transformer Part | Rated Capacity | KVA | 4 50~2500 | |
Impedance Voltage | % | 4.5 6 (thousand change) | ||
Tap Range | ±2×2.5% | ±5% | ||
Connection Group | Y.yn0 | D,yn11 |
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Qualification Certificate
Product Qualification
Longxiang has always relied on innovation-driven and open cooperation, upholding the enterprise spirit of "diligence, preciseness, truth-seeking and pragmatism", and has won the support and affirmation of more and more partners.














Patent Certificate
Longxiang takes innovation drive as the core power, relies on the technology research and development and management system as the support, focuses on the research and development and production of transformers, various box-type transformers and substations, and high and low voltage electrical appliances. It has obtained a number of industry certifications and has held a number of patents.










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