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Locomotive Parts
Primary Voltage Transformer (PVT)
Spec. No. / Part No.
CLW/ES/3/0009
Specification
System Voltage
25 kV AC
Frequency
50 Hz
Primary Voltage
25 kV
Secondary Voltage
110 V / 63.5 V
Accuracy Class
0.5 / 1.0 (Metering), 3P / 6P (Protection)
Insulation Type
Dry-type / Cast Resin
Insulation Standard
IEC 61869 / IS 3156
Protection Class
IP54 / IP65
Operating Temperature
-10°C to +55°C
Mounting
Suitable for locomotive / rolling stock applications
Design
Compact, vibration-resistant, corrosion-resistant
Description
The Primary Voltage Transformer (PVT) is designed for accurate voltage sensing in 25 kV AC railway traction systems. It provides reliable input for metering, protection, and control circuits, ensuring safe and efficient operation of locomotive and trainset electrical systems under demanding conditions.
Key Customers
Indian Railways Chittaranjan Locomotive Works (CLW) Railway Production Units & Locomotive Manufacturers Rolling Stock OEMs & System Integrators Railway Maintenance Depots & Workshops
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