HJ-VPI Series Vacuum Pressure Impregnated Transformer

Name: HJ-VPI Series Vacuum Pressure Impregnated Transformer
Brand: HJATIS

The HJ-VPI Series is a dry-type transformer with windings treated by vacuum pressure impregnation using high-temperature varnish. Catalogue ratings range from 100 kVA to 2500 kVA, with primary voltages up to 35 kV and insulation classes H or C.

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HJATIS

PUBLISHED PRODUCT DATA

Catalogue ratings and configurations.

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Performance Matrix & Technical Specifications

Performance Matrix & Technical Specifications
Parameter / Rated Power	100kVA	500kVA	1000kVA	1600kVA	2500kVA
Primary Voltage	Up to 35kV (e.g., 10kV, 11kV, 13.8kV, 20kV, 33kV)
Secondary Voltage	0.4kV / 0.415kV / 0.433kV / 0.480kV / 0.69kV
Cooling Mode	AN / AF	AN / AF	AN / AF	AN / AF	AN / AF
Typical Impedance (%)	4.0%	4.0%	6.0%	6.0%	6.0%
Vector Group	Dyn11 / Yyn0 / Custom Configurations
Insulation Class	Class H (180°C) / Class C (220°C)
Enclosure Rating Options	IP00 (Core only) / IP20 (Indoor Box) / IP23 (Outdoor Weather-proof)
Standards referenced in the source catalogue	IEC 60076-11 / IEEE C57.12.01

CONFIGURATION

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ParameterCatalogue indicationProject input required

01Rated Power100kVA to 2500kVASpecify required kVA rating.

02Primary VoltageUp to 35kV (e.g., 10kV, 11kV, 13.8kV, 20kV, 33kV)Specify primary voltage level.

03Secondary Voltage0.4kV / 0.415kV / 0.433kV / 0.480kV / 0.69kVSpecify secondary voltage required.

04Insulation ClassClass H (180°C) / Class C (220°C)Select insulation class based on thermal requirements.

05Enclosure RatingIP00 / IP20 / IP23Specify enclosure protection level.

STANDARDS & REPORTS

Standards and product documents.

Applicable references: GB/T 1094 and IEC 60076. Ask for the edition and reports covering the model offered; a standard number alone does not confirm product compliance.

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APPLICATIONS

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Utility and industrial substations

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Renewable-energy grid connections

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HJ-VPI Series Vacuum Pressure Impregnated Transformer

Performance Matrix & Technical Specifications

Standards and product documents.

Utility and industrial substations

Renewable-energy grid connections

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