High Voltage D-Src 36kv Current Sensor for Electric Power System

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High Voltage D-Src 36kv Current Sensor for Electric Power System

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Product Description

Basic Specifications

Model NO. D-SRC-150

Material Metal

IP Rating IP65

Accuracy Grade 0.5G

Voltage Level 36kV

Current Range ≤100kA AC

D-SRC Ø12 High Voltage Flexible Rogowski Coil

The D-SRC is a flexible current transducer based on the Rogowski principle, specifically designed for measurement in high-voltage electrical power systems. It is particularly suitable for applications where traditional transducers cannot fit due to size or weight constraints.

Key Advantages

High linearity from 1A to 100kA
Voltage-resistant level: 36kV
12mm section grants high effective isolation
Non-intrusive, drawing no power from the main circuit
No danger from open-circuited secondary
Excellent rejection to external magnetic field interference

Technical Specifications

MODEL	D-SRC-50	D-SRC-100	D-SRC-150
Window Size	50mm	100mm	150mm
Coil Length	180mm	380mm	555mm
Coil Resistance	85 (+/-10) Ω	170 (+/-10) Ω	255 (+/-10) Ω
Weight	160-190g
Ratio Uncalibrated	60mV/kA@50Hz, 72mV/kA@60Hz
Bandwidth	1Hz to 100kHz (-3dB)
Operating Temp.	-40ºC to 85ºC

Safety & Warning Notes

Caution! Risk of electrical shock:

Installation and maintenance shall be done with the main power supply disconnected. Avoid using the transducer in rainy or high-humidity high-voltage environments. Do not apply around or remove from uninsulated hazardous live conductors.

Accuracy Warning:

Do not stress the coil by applying mechanical force (transport, storage pressure, tight bending), as this will dramatically degrade the device's accuracy.

Product Dimensions

Product Application Gallery

Frequently Asked Questions

1. What is a Rogowski coil? A Rogowski coil is an air-cored coil placed around a conductor. The magnetic field produced by the AC current induces a voltage in the coil proportional to the rate of change of current, which is then integrated to measure the actual current.

2. Can this coil measure DC current? No, Rogowski coils do not measure direct currents. However, they can accurately measure AC components even with a large superimposed DC component because they have no iron core to saturate.

3. What is the maximum voltage the D-SRC can withstand? The D-SRC model is designed for high-voltage environments and has a voltage-resistant level of 36kV.

4. Is the accuracy affected by the position of the conductor? The D-SRC features measurement uniformity. The typical error is less than 0.5% when adjacent to the center and less than 2% when adjacent to the inside edge.

5. What are the main applications for the D-SRC? It is ideal for measuring devices, lab instrumentation, power monitoring, harmonics monitoring, and very high current monitoring in systems with limited access.

6. Does it require an external power supply? The Rogowski coil itself is passive and non-intrusive, drawing no power. However, it must be connected to an electronic integrator for phase shift compensation unless used with compatible meters that have built-in integration.