Standardized Prefabricated Substation Manufacturer

Standardized Prefabricated Substation

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Standards: GB/T 7251.1, GB/T 7251.12, GB/T 20641, GB/T 17467, GB/T 110022, IEC 61439-1:2020, IEC 61439-2:2020, IEC 62208:2023, IEC 62271-202:2006, IEC 62271-200:2021

The YBM series pre-installed European-style substation is a comprehensive power transformation and distribution unit integrating high-voltage switchgear, transformer, and low-voltage switchgear. It features an aesthetically pleasing design, flexible configuration options, and a compact structure. It can be equipped with high-voltage load switches and intelligent interfaces to enable telemetry, remote signaling, remote adjustment, and remote control functionalities. HCRT offers standard, compact, and alternative standardized solutions within this product line.

Technical Specifications

HV Compartment	Rated voltage (kV)		12
	Rated current (A)		630
	Rated frequency (Hz)		50
	Rated short-time withstand current (kA)		20
	Rated peak withstand current (kA)		50
	Power-frequency withstand voltage	In phases, to ground (kV)	42
		Pole to pole (kV)	48
	Lightning impulse withstand voltage	In phases, to ground (kV)	75
		Pole to pole (kV)	85
Transformer Compartment	Rated voltage (kV)		12/0.4
	Rated capacity (kVA)		50-1600
LV Compartment	Rated voltage (kV)		220
	Rated current of main circuit (A)		100-3200
	Current of branch circuit (A)		5-800
	Rated short-time withstand current of main circuit (kA)		50
	Rated peak withstand current of main circuit (kA)		63
Enclosure	IP class		IP44
	Noise level (dB)		≤45
	Enclosure temperature rise level (K)		10

Features

Safe and compartmentalized:

Composed of a physically separate high-voltage chamber, transformer chamber, and low-voltage chamber, incorporating a reliable "five-prevention" interlock system to ensure operational safety.

Flexible HV switching:

High-voltage switches can be selected from fully insulated SF6 gas-filled cabinets, solid-insulated RMUs, and vacuum RMUs, with options for motorized operation and automation via DTU integration.

Versatile transformer options:

Transformers can be either dry-type or oil-immersed, characterized by low energy loss, low noise emission, low temperature rise, strong overload capacity, high short-circuit withstand capability, and excellent impact resistance.

Operating Conditions

Temperature: ±50℃

Pollution Level: IV

Relative Humidity: Daily average ≤95%, monthly average ≤90%

Seismic Grade: 8

Installation Environment: Places free from flammable, explosive hazards, or chemical corrosion.