YB□20-10 Prefabricated Substation (European Style Packaged Substation)

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YB□ prefabricated substation is self-designed and self-developed substation to satisfy the demands of urban power grid construction. This series of substation connects high voltage switchgear, distribution transformer and low voltage power distribution unit with special wiring modes, to systematically combines the functions of high voltage power receiving, transformer voltage decreasing and low voltage power distributing. They are installed in a moisture-proof, rust-proof, dust-proof, rat-proof, fire-proof, theft-prevention, thermal-insulation, whole sealed, and movable box.

This substation is applicable for 10kV 50Hz 3-phase AC system (capacity: ≤2500kVA) of residence communities, commercial buildings, hotels, large-scale construction sites, high-rise buildings, industrial and mining enterprises, and temporary construction sites.

Product introduction

Product category:
★Based on different materials of outer shells
1. Color steel composite board shell packaged substation
2. Metal shell packaged substation
3. Landscape shell packaged substation
4. Wood grain landscape shell packaged substation
★Based on different structure functions
1. Miniaturized and intelligent prefabricated packaged substation
2. Economical packaged substation

Working conditions:
1. Ambient temperature: +40°C ~ -25°C
2. Altitude: ≤1000m (or 3800m for special transformers and low voltage components and parts)
3. Vertical gradient: ≤5°, without severe vibration or shocking
4. Humidity: ≤90% (at +25°C)
5. No conductive dust, no explosion potential, or no gas that can corrode metals and electrical components and parts
6. Outdoor wind speed: ≤35m/s

Technical parameters:

Items	Units	High Voltage Electrical Equipment	Transformer	Low Voltage Electrical Equipment
Rated Voltage	kV	10	10/0.4	0.4
Rated Current	A	630	3/75~150/3750	≤4000
Rated Frequency	Hz	50	50
Rated Capacity	kVA		50~2500	50
1min Power Frequency Withstand Voltage	kV	Phase to Ground and Phase to Phase: 42 Breaking: 48	35/28
Lightning Impulse Withstand Voltage	kV	75		2.5
Outer Shell IP Code		IP33
Acoustic Level	dB		Oil-Immersed Transformer≤55, Dry-Type Transformer≤65