China ZGS11-12 Combined American Prefabricated Substation - Reliable Suppliers and Factory Solutions

Overview
Introducing the ZGS11-12 Series, a state-of-the-art combined prefabricated substation designed in China, integrating advanced foreign technologies with local requirements. This product features a compact design, ensuring easy installation and maintenance. With low noise, minimal loss, and robust anti-theft measures, it offers full protection and exceptional overload capacity. It is ideal for various applications, including new residential areas, green belts, parks, stations, hotels, construction sites, and airports.

The ZGS11-12 Series is compatible with 10kV ring network power supplies, dual power supply systems, or terminal power supply setups. It serves as both a transformer and a comprehensive metering, compensation control, and protection device. Our product adheres to rigorous industry standards, including GB17467 for high voltage/low voltage prefabricated substations and DL/T537, which guides the selection of high voltage/low voltage prefabricated box substations. As a leading supplier in the industry, our factory is committed to delivering high-quality solutions to meet the demands of modern electrical infrastructure.

Product Detail

Model meaning

Conditions of Use

◇ Altitude not exceeding 1000m;
◇ Ambient temperature: -35℃~+40℃;
◇ Relative humidity: daily average value is not more than 95%, monthly average value is not more than 90%;
◇ Installation location: A well-ventilated place without ﬁre or explosion hazards, chemical corrosive gases, and a ground inclination of no more than 3 °.

Technical Parameters

NO.	Name	Unit	Technical Parameters
1	Rated voltage	KV	10/0.4(high pressure/1 low pressure)
2	Maximum operating voltage	KV	12 (high voltage side)
3	Rated frequency	HZ	50
4	Rated capacity	KVA	50-1600
5	1 minute power frequency withstand voltage	KV	35
6	Lightning impulse voltage	KV	75
7	Cooling method	-	Oil-immersed self-cooling
8	High voltage backup fuse breaking current	KA	50
9	Plug-in fuse breaking current	KA	25
10	Ambient temperature	-	-35~+40
11	Coil allowable temperature rise	℃	65
12	No-load voltage regulation	℃	±5%or±2×2.5%
13	Noise Level	db	50
14	Protection level	-	lp43

Installation Dimensions

Ordering Instructions

◇ Product operation location and special requirements;
◇ Provide product ordering drawings, which should include wiring diagrams, and should indicate transformer capacity, main component models and speciﬁcations, power distribution branch circuits and capacity;
◇ When electric energy metering and reactive power automatic compensation devices are required, the conﬁguration requirements of the metering electric energy meter and mutual inductor shall be provided, and the capacity of the compensation capacitor shall be indicated;
◇ Indicate the requirements for product surface treatment;
◇ When ordering combined transformers, please specify terminal type or ring network type.

Examples of some product appearance drawings

Frequently Asked Questions (FAQ)

Q1: What is the rated capacity range for this combined transformer?

A1: The rated capacity for this series ranges from 50 KVA up to 1600 KVA, allowing it to adapt to various power distribution requirements.

Q2: What are the primary environmental requirements for installation?

A2: The unit should be installed at an altitude below 1000m, within an ambient temperature range of -35℃ to +40℃, and in a well-ventilated area with a ground inclination of no more than 3°. It must be free from fire, explosion, or chemical corrosive hazards.

Q3: What cooling method does this transformer utilize?

A3: The transformer utilizes an oil-immersed self-cooling method, which ensures efficient heat dissipation and stable operation under standard conditions.

Q4: What is the protection level and noise rating of this equipment?

A4: The transformer has a protection level rating of IP43 and operates at a quiet noise level of 50 dB.

Q5: What essential details must be provided when placing an order?

A5: You should provide the operation location, ordering drawings (including wiring diagrams, capacity, component models, and specifications), metering or compensation requirements, surface treatment requirements, and specify whether a terminal or ring network type is needed.