YB-12 High/Low Voltage Prefabricated Compact Substation

This product fully complies with the GB17467 "High-voltage/Low-voltage Prefabricated Substations" standard. It is suitable for a wide range of applications including urban public power distribution, street lighting power supply, industrial and mining enterprises, urban buildings, residential complexes, oil fields, terminals, hotels, parks, and construction sites. It can be configured for both ring main and radial (terminal) power supply schemes.

Dimensions

Model Number and Designation Explanation YB ¨ ¨ ¨ / ¨ - ¨ ① ② ③ ④ ⑤ ⑥

①	High/low voltage pre-assembled box-type substation	④	High voltage side rated voltage (KV)
②	Structural features: P-triangular; M-square	⑤	Low voltage side rated voltage (KV)
③	Design serial number	⑥	ransformer rated capacity (KVA)

Technical Parameters

No.	Name	Unit	High-Voltage Apparatus	Transformer	Low-Voltage Apparatus
1	Rated Voltage	KV	6/10	60/0.4 10/0.4	0.4
2	Rated Capacity	KVA		50-1600
3	Rated Current	A	200、400、630		100-3200
4	Rated Short-Circuit Breaking Current	A	Load Break Switch (LBS) 400-600		15-63KA
4	Rated Short-Circuit Breaking Current	KA	The short-circuit breaking capacity of the combination switch is determined by the associated fuse(s).		15-63KA
5	Rated Short-Time Withstand Current (Dynamic Stability)	KA	16 , 20（4s）		15（1S）
6	Rated Short-Time Withstand Current (Thermal Stability)	KA	31.5 , 50		30（1S）
7	Power Frequency Withstand Voltage	KV	Phase-to-earth and phase-to-phase 32/42	25/35（Oil-Immersed）	30
7	Power Frequency Withstand Voltage	KV	Isolating Distance 36/48	20/28（Dry-Type）	63
8	Lightning Impulse Withstand Voltage (Peak)	KV	Phase-to-earth and phase-to-phase 60/75	60/75	≤0.3 , 2
8	Lightning Impulse Withstand Voltage (Peak)	KV	Isolating Distance 70/85	60/75	>0.3 , 2.5
9	Enclosure Protection Degree
10	Sound Power Level	ab		IP23
11	Applicable Standards		GT/T 17467 《High-voltage/Low-voltage Prefabricated Substations》	55
11	Applicable Standards		DL/T537 《Technical Specification for Ordering of 6-35kV Compact Substations》

YB-12 High/Low Voltage Prefabricated Compact Substation

YB-12 High/Low Voltage Prefabricated Compact Substation

Dimensions

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