1. Why do engineers need phase protection?
Three-phase motors in industrial facilities can be damaged by phase failure, phase sequence failure, and excessive asymmetry. Engineers need reliable surveillance capable of detecting these conditions and providing a signal of protection against influences on connected devices. The MKC-05 phase failure relay is designed for protection against phase disturbances, asymmetries and phase sequence disturbances in three-phase systems.
2. Where can a phase disturbance transmitter be used in motor systems?
The phase failure relay is particularly useful in applications where three-phase motors are needed for the operation of the installation.
2.1 Three-phase motor control
The phase failure relay for motor applications monitors the three-phase current supply and ensures the output of the transmitter in case of detection of a faulty state. The MKC-05 monitors phase errors, phase sequence and asymmetry and is therefore suitable for industrial motor control applications.
2.2 Use of the pump
Three-phase motor pumps require reliable feeding conditions. The phase failure relay for pumps can be activated in the control circuit to monitor phase-related disturbances and prevent engine errors.
2.3 Use of compressors
Industrial compressors are also based on three-phase motors. The phase failure relay for compressors may monitor the input current supply and provide a transmission signal when protective conditions are declared.
3. What industrial applications can benefit from phase monitoring?
Phase monitoring is not limited to individual motors. It can also be used for industrial machines and engine control panels.
3.1 Machinery for industrial production
Production machines often rely on apparatus powered by a three-phase motor. The MKC-05 can monitor phase errors, phase sequence errors and asymmetries and help engineers integrate phase protection into equipment control systems.
3.2 Engine control
For engineers choosing a phase monitoring relay for three phase systems, the MKC-05 offers 5% to 15% adjustable asymmetric protection. In addition, it provides warnings for phase succession and asymmetry in the front.
3.3 Equipment of industrial facilities
The MKC-05 is specially designed for three-phase systems with or without a neutral connection. L1, L2, L3 and N connections allow engineers to apply it depending on the configuration of the monitored system.
4. How can engineers configure the MKC-05 for different applications?
Applicable requirements must be verified prior to installation, in particular the supply voltage, wiring, asymmetry thresholds, delay time and initial requirements.
4.1 Regulated protection parameters
The MKC-05 has a power supply of 230VAC, a frequency band of 48-63Hz and a switching contact with a rated value of 8A, 250V, 2000VA. The delay and stop parameters can be adjusted from 0.1 to 20 seconds.
4.2 Phase shift emitter wiring
When phase failure relay wiring, engineers should respect the manufacturer's connection scheme and, if necessary, verify the L1, L2, L3 and N connections. The transmission output should be connected according to the requirements of the apparatus control circuit.
5.Why is MKC-05 suitable for industrial applications?
The MKC-05 phase failure relay combines phase errors, phase sequence errors and asymmetry monitoring with adjustable protection parameters. For three-phase motors, pumps, compressors, production machines and industrial operation boards, it offers a practical possibility, add a phase monitoring to protect the appliances.
Contact HEYI Electrical for technical information and support for the MKC-05 application.
Compay: WENZHOU HEYI ELECTRICAL CO.,LTD
Brand: HEYI/ASCT
Contact: Bethy
E-mail: heyi@heyiele.com
Tel: 86-13968747975
