Application and Advantages of HYB-A1 AC Current Transducer in the TNB Project in Malaysia

In power monitoring and industrial automation systems, current transmitters play a crucial role. Today, we’ll discuss the HYB-A1 current transmitter from HEYI Electric and, in conjunction with the specific needs of the TNB (Tenaga Nasional Berhad) project in Malaysia, examine just how powerful this device is.

What is the HEYI HYB-A1 current transducer

The HYB-A1 is a high-precision isolated current transmitter that can convert AC current (such as 0.1A, 1A, 5A, etc.) in the power grid into standard DC signals (such as 0-10V or 4-20mA), which is convenient for subsequent monitoring, recording or control systems.

Simply put, a AC current transducer is like a “translator,” converting the current signal from the power grid into an analog signal that instruments and PLCs can understand .

Technical Highlights at a Glance: Why It’s Suitable for TNB Projects

High precision & stability

The accuracy can reach 0.2% or 0.5%, which fully meets the accuracy requirements of TNB for power monitoring.

With a response time of 400ms, it can quickly capture current changes and is suitable for fault detection and protection.

Wide input range & strong overload capacity

It supports multiple current inputs, such as 1A and 5A, covering the secondary side output of common TNB CTs.

It can withstand continuous operation at twice the rated current and 10 times the rated current for 10 seconds, and has strong impact resistance.

Flexible power supply and output

The power supply supports AC/DC 80V~270V and is also compatible with DC12V/24V/48V customization, adapting to various power supply environments in TNB field.

The output supports 0-10V and 4-20mA, and is compatible with most PLCs, DCSs and energy meters.

Strong isolation & safe and reliable

– Full isolation between input, output, power supply, and enclosure to prevent interference and ground loop problems.

– The insulation strength reaches AC 2kV/min, which meets TNB’s high standards for equipment safety.

Practical Application Scenarios in TNB Projects

Power system monitoring

The HYB-A1 can be used to monitor the current in transformers, generators, and distribution cabinets, and provide real-time feedback to the SCADA system to help TNB achieve load management and fault early warning.

Industrial Automation and Energy Efficiency Management

In TNB-supported industrial projects, it can transmit current signals to PLCs or energy meters for equipment protection, energy consumption analysis, and process control.

Fault Detection and Protection

When an abnormal current occurs (such as overload or short circuit), the HYB-A1 can respond quickly and work with protection devices to quickly cut off or alarm, thus improving system reliability.

Installation and Calibration: Simple and Convenient

Installation method: Supports 35mm standard DIN rail installation, which facilitates quick deployment in the power distribution cabinet.

Calibration function: The panel is equipped with ZERO (zero point) and SPAN (full scale) adjustment potentiometers for easy on-site calibration.

Note: Calibration must be performed by professionals to avoid errors that could affect accuracy.

Why Choose the HEYI HYB-A1 AC Current Transducer

In power projects like TNB, where safety, accuracy, and reliability are extremely important, the HEYI HYB-A1 current transmitter offers the following advantages :

High precision and fast response

Wide input voltage and strong overload capacity

Fully isolated design and internationally compliant security

Flexible installation and output configuration

It is an ideal choice for current signal conversion and monitoring.

Compay：HEYI Electrical Co., Ltd.

Brand: HEYI/ASCT

Contact: Bethy

E-mail: heyi@heyiele.com             

Tel: 86-13968747975

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