CURRENT TRANSFORMER 300A LT305-S LEM FOR VFD-INVERTER
The LEM LT305-S is a current transformer (CT) designed for measuring AC currents for VFDs (Variable Frequency Drives) and inverters. Operates over a wide frequency range, accommodating the varying frequencies encountered in VFD and inverter applications.
LEM CT Features:
- Current Measurement: It’s used to measure AC currents up to 300A- 500A. Provides galvanic isolation between the primary (high-current) circuit and the secondary (low-current) measurement circuit.
- Accuracy of CT: Offers accurate current measurement, essential for precise control and monitoring in VFDs and inverters.
- LEM Technology: LEM is a well-known manufacturer of current and voltage transducers, known for their quality and reliability.
Used to:
- VFDs (Variable Frequency Drives): Measuring the motor current for control and protection purposes.
- Inverters-VFD: Monitoring the input and output currents of inverters.
- Power Monitoring: Measuring current in power distribution systems.
- Industrial Automation: General current measurement in various industrial applications.
How it Works in VFD Drive:
The primary conductor carrying the high current passes through the aperture of the LT305-S. The magnetic field generated by the primary current induces a proportional current in the secondary winding. Allows for monitoring the performance of the VFD or inverter and detecting potential problems.
