Phase Sequence Protection Relay

Over Voltage Three Phase Voltage Monitoring Relay With Timer And Counter

The voltage phase sequence protector (voltage monitor) is used to protect the voltage from the wrong phase (fault recognition protection, automatic phase sequence troubleshooting), phase failure, overvoltage, undervoltage, voltage unbalance and some products ZHRV1 can be added PTC temperature protection and load side protection function, with self-reset and test function protector.

Phase failure: refers to the fact that the order of the phases is not in the correct order of the zero value of the alternating current from the negative value to the positive value.

Phase failure: Phase failure is a phenomenon in which one or more phases in the loop are disconnected, but not all phases lose voltage and no current. Or a phase voltage less than 60% of the rated voltage;

Overvoltage: The voltage (Umax-Ue)/Ue*100% exceeding the equilibrium potential of the electrode required for the discharge of ions on the electrode;

Undervoltage: The voltage required for ions to discharge on the electrode is lower than the equilibrium potential of the electrode (Umin-Ue)/Ue*100%;

Voltage unbalance: Indicates the difference in amplitude between three-phase voltages, or the phase shift from the normal voltage phase difference, or both; commonly used negative-sequence voltage or zero-sequence voltage and positive-sequence voltage The percentage of the ratio indicates the degree of voltage imbalance refers to the maximum or minimum voltage voltage deviation rate from the voltage average.

♦ Features

♦ Typical Applications

♦ Typical Applications

GINRI POWER AUTOMATION CO.,LTD. is a professional production voltage phase sequence protection device (and name: three-phase power monitor), and PLC output zoom Board, and smart type motor integrated protection device, and industrial parts manufacturers, technology development team in elevator industry, and refrigeration industry, and crane industry, environmental equipment, mechanical NC industry and the industrial following insurance industry, field has more than 10 years practice experience, has development out variety price economic and function excellent of products. CQC product quality system by China Quality Centre (3C) certification and CE certification, products in the manufacturing process in strict accordance with the ISO9001 quality assurance system requirements and professional technical and service support.

Voltage phase-sequence protection for many years (equipment, refrigeration equipment, crane (passenger and goods) elevators, control of DC power supply system (Cabinet) screens, precision air conditioners, room air conditioners, electric hoist, boiler equipment, laser equipment, parking equipment, cranes, compressors) and so on using the run.

PLC output amplifiers (environmental protection equipment, numerical control and automation equipment, automobile, plastic machinery, hydraulic machinery, ceramic foam machinery, woodworking machinery, machinery) and so on using the run.

Years of integrated Intelligent motor protector (power plants, paper mills, steel mills, aluminium plants, cement plants, sewage treatment plants, coal preparation plants, refineries, petrochemical plants), and so on using the run.

Product quality is stable and safe, reliable, and earned a solid market position in the market and a high reputation in the industry, received unanimous recognition and praise of our customers.

Ginri company always adhere to "scientific management as the core, the user needs for the Centre to focus on product quality, meticulous service is sincere," the spirit of enterprise, please call us from all walks of life, thank you!