JDC5-220(W1)、JDC5-220GY

Name: JDC5-220(W1)、JDC5-220GY
Brand: MY SHOP

The Model JDC5-220 voltage transformer is a fully sealed, cascaded, oil-paper insulated, single-phase, three-winding outdoor voltage transformer. It is designed for use in 220 kV effectively grounded neutral systems with a rated frequency of 50 Hz, serving purposes such as voltage measurement, energy metering, and relay protection.
This product is equipped with a stainless steel metal expansion device at its top, ensuring reliable operation and convenient maintenance. Furthermore, the unit features excellent excitation characteristics and strong resistance to resonance.

GET A QUOTE

Description

Introduction
DC5-220(W1) / JDC5-220GY Oil-immersed Voltage Transformer is designed for high-voltage power systems up to 220kV. It is used to accurately transform high voltage into standardized low voltage signals for metering, protection, and control systems.

Structural Features
The transformer adopts an oil-immersed insulation structure with a fully sealed design, providing excellent dielectric strength and effective heat dissipation. Its robust construction ensures stable performance under high-voltage conditions, while offering strong resistance to environmental factors such as moisture, pollution, and temperature variations, making it highly reliable for long-term outdoor operation.

Applications
1.220kV high-voltage substations
2.Power transmission and distribution systems
3.Energy metering systems
4.Relay protection and control systems

Technical Data

Rated primary voltage(kv)	Secondary winding			Residual voltage winding			Secondary winding limit output (VA)	Rated insulation level（KA)
	Rated voltage(kv)	Accuracy class	Rated output(VA)	Rated voltage(kv)	Accuracy class	Rated output(VA)
220/√3	0.1/√3	0.2	150	0.1	3P	300	2000	252/395/950
		0.5	300

Type	H1	H2	ΦD	Altitude(m)	Creepage distance(cm)	oil weight(kg)	Total weight(kg)
JDC5-220	2810	2385	660	≤1000	395	265	1100
JDC5-220GY	3010	2585	660	≤3000	400	295	1170
JDC5-220W1	2810	2385	690	≤1000	550	295	1250

About Us

Contact Us: 5 Floor,Building 2,No.56 Nirong middle road,Kunpeng Street,Wenzhou Marine Economy Development Demonstration zone,Wenzhou City,Zhejiang China; heyi@heyiele.com; 86-13968747975

Newsletter: Subscribe to receive product updates, industry insights, technical articles, and the latest information about ATST electrical solutions.

Product Categories: Smart Devices
Current Transformer
Power Meters
Protectors
Transducer
Timer
Accessories

Explore Products