34.5kV Three Phase Dry Type Zig Zag Grounding Transformer

Documentation Resource Library

Key attributes

Brand	Vziman
Series	DKSC

Product descriptions from the supplier

Description

Product Description

250kVA Three Phase Dry Type Zig Zag Grounding Transformer Pad Mount Cast Coil 34.5kV

Zig Zag transformers play a crucial role as grounding transformers in power systems, providing a reliable path for zero-sequence currents during unbalanced conditions or fault scenarios.

34.5kV Three Phase Dry Type Zig Zag Grounding Transformer

Main Data

Transformer Type	Zig Zag Grounding Transformer
Transformer Configuration	Dry Type Grounding Transformer, Ventilated
Phase	Three Phase
Capacity	250 KVA
Vector Group	Zn
Primary Voltage	34500V
Frequency	60 Hz
Temperature Rise	115°C
Insulation Rating	Class F Insulation - 180°C
Cooling Class	AA; Self-Cooled
Z0	3.0%
Impedance	142 Ω/Ph, 47.5 ohms at N
Efficiency Standard(s)	Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards
Winding Material	Copper
Ambient Temperature Rating	40°C
Dimensions*	60''-W x 52''-D x 65''-H
Dry Weight (w/o Oil)*	1,550 Lbs
Total Weight (Liquid Filled)*	3,630 Lbs

Place Of Origin	CHINA
Certification	CE,ISO
Type	Dry Type Grounding Transformer
Operation	Grounding Operation
Phase	Three Phase
Capacity	250 KVA
Primary Voltage	34500Y/19920
Secondary Voltage	N/A
Temperature Rise	115°C
Impedance	142 Ω/Ph, 47.55 Ohms AT N
Supply Ability	1000set/Month
Highlight	Zig Zag Grounding Transformer, Dry Type Zig Zag Grounding Transformer, Cast Resin Transformer Three Phase

Features

Penta-head Bolt Entry Assembly
Non-PCB Insulating Fluid
Tamper Proof Housing
Hinged Front Compartment Doors, Pad Lockable
NEMA 3R Wiring Compartment
Hot Stick Included, HV Door Mount

Product drawings

250KVA Dry Type Zig Zag Grounding Transformer 1

Factory Tests

Winding Resistance Test
Insulation Resistance Test
Voltage Ratio Error Test
Short-circuit Impedance Test
No-load Loss (Wattage) Test
Load Loss (Wattage) Test
Induced Voltage Withstand Test
Separate Source Voltage Withstand Test
Pressure Integrity Test

Production Photo

34.5kV Three Phase Dry Type Zig Zag Grounding Transformer

Production process

250KVA Dry Type Zig Zag Grounding Transformer Production process

250KVA Dry Type Zig Zag Grounding Transformer Finished product display

Documentation Resource Library

Restricted.

Vziman IEC/ ANSI Dry Type Grounding Transformer selection catalog

Catalogue

English

Consulting

Negotiable

Pricing calculator

Warranty by

Whole life care manager

Whole-life care management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.

The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.

34.5kV Three Phase Dry Type Zig Zag Grounding Transformer

Attributes

Description

Documentation Resource Library

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