ZGS Type Combined Transformer
The ZGS series combined transformers,namely American-style packaged substations,are a series of products developed according to the needs
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Modular Substation
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Product Description
1. Overview
The ZGS series combined transformers,namely American-style packaged substations,are a series of products developed according to the needs of urban and rural power grid construction,development,and transformation.It is a transformer that combines the transformer body,switching equipment,fuses,tap changers,low-voltage distribution devices,and other corresponding auxiliary equipment,capable of meeting various configuration requirements of users such as electric energy metering,reactive power compensation,and low-voltage branching.As an independent complete power transformation and distribution device with rated capacities of 30~1600kVA inAC 50Hz,6~10kVpower grids,the ZGS type combined transformer can be used both outdoors and indoors.It is widely suitable for various places such as industrial parks,urban residential areas,commercial centers,road lighting,high-rise buildings,and temporary construction sites,with the advantages of environmental protection,small floor area,and convenient installation.
2. Product Parameters
IP Protection Level: IP44
3. Product Features
● Small in size,compact in structure,small in floor area,and convenient for installation.
● Low loss,low noise,low temperature rise,strong overload capacity beyond the nameplate capacity,and strong resistance to sudden short circuits.
● Fully enclosed and fully insulated structure,ensuring safe and reliable operation.
● Flexible wiring methods,suitable for both terminal systems and ring network systems,with convenient conversion,improving power supply reliability.
● Convenient operation and maintenance,short production cycle,andlow project cost
● JB/T10217-2013 Combined Transformer
● DL/T 1267-2013 Service Conditions for Combined Transformers
4. Product Parameters
Rated Capacity (kVA) | Rated Voltage and Tap Range | Efficiency | ||
High Voltage HV | Low Voltage LV | DOE (2016) | CSA (2023) | |
75 | 35kV 25kV 15kV | 240V 480V 480YV 277V 600YV 347V | 99.03 | 98.95 |
112.5 | 99.11 | 99.04 | ||
150 | 99.16 | 99.09 | ||
225 | 99.23 | 99.17 | ||
300 | 99.27 | 99.21 | ||
500 | 99.35 | 99.30 | ||
750 | 99.40 | 99.35 | ||
1000 | 99.43 | 99.38 | ||
1500 | 99.48 | 99.44 | ||
2000 | 99.51 | 99.47 | ||
2500 | 99.53 | 99.49 | ||
5. Product Dimensions

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