HJ-ODT Series Hermetically Sealed Oil Transformer

Name: HJ-ODT Series Hermetically Sealed Oil Transformer
Brand: HJATIS

The HJ-ODT Series is a hermetically sealed oil-immersed distribution transformer with catalogue ratings from 50 kVA to 2500 kVA and primary voltages up to 35 kV. Its corrugated tank limits contact between insulating oil and the atmosphere.

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HJATIS

PUBLISHED PRODUCT DATA

Catalogue ratings and configurations.

The project data sheet should state the selected rating, options and site conditions.

Performance Matrix & Technical Specifications

Performance Matrix & Technical Specifications
Parameter / Rated Power	50kVA	250kVA	500kVA	1250kVA	2500kVA
Primary Voltage	Up to 35kV (e.g., 10kV, 20kV, 35kV)
Secondary Voltage	0.4kV / 0.415kV / 0.433kV / 0.480kV
Cooling Mode	ONAN	ONAN	ONAN	ONAN	ONAF / ONAN
Typical Impedance (%)	4.0%	4.0%	4.0%	5.0%	6.0%
Vector Group	Dyn11 / Yyn0 / Custom Configurations
Tap Changer Type	Off-Circuit (OCTC) / On-Load (OLTC) optional
Insulation Level (LI/AC)	LI 75 AC 28 / LI 170 AC 70 / LI 200 AC 85 (Depends on voltage)
Standards referenced in the source catalogue	IEC 60076 / ANSI / IEEE C57.12

CONFIGURATION

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ParameterCatalogue indicationProject input required

01Rated Power50 kVA – 2500 kVASpecify required kVA rating.

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

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

04Cooling ModeONAN (up to 1250 kVA); ONAF/ONAN at 2500 kVAConfirm cooling mode requirement.

05Vector GroupDyn11 / Yyn0 / Custom ConfigurationsSpecify vector group.

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-ODT Series Hermetically Sealed Oil Transformer

Performance Matrix & Technical Specifications

Standards and product documents.

Utility and industrial substations

Renewable-energy grid connections

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Send the SLD, specification or BOQ.