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Earthing Transformer
The earthing transformer is usually used in a power system without neutral point, to provide an artificial neutral connection for earthing directly or via an impedance such as an arc suppression reactor, a resistor, a current-limiting reactor and so on. The grounding transformer may adopt a secondary (low-voltage winding) for continuous use as a power supply for the substation station.
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Wide Grounding Compatibility
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Optimized Zero-Sequence Impedance
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Strong Short-Circuit Withstand Capability
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Flexible Customization Options
Product Highlights
Wide Grounding Compatibility
Applicable to various grounding schemes, including grounding through grounding transformers directly, grounding through arc suppression coils, and grounding through neutral grounding resistors.
Optimized Zero-Sequence Impedance
The zero-sequence impedance can be optimized according to system grounding methods, fault current requirements, and protection configuration requirements to adapt to different operating conditions.
Strong Short-Circuit Withstand Capability
The structure and winding design meet the requirements of short-time grounding fault current withstand, ensuring reliable operation under fault conditions.
Flexible Customization Options
Available in dry-type or oil-immersed configurations, with or without secondary windings, and supporting customized designs based on project-specific requirements.
Technical Specification
Insulation Type
Dry-type, Oil-immersed
Type Code
DKSC/DKS1
Voltage Scope
Dry-type 6kV~35kV, Oil-immersed 6kV~66kV
Capacity Range
Dry-type 100kVA~3800kVA, Oil-immersed 100kVA~5700kVA
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