Phase voltage protection relays are a type of relay that protects against low-high voltages along with phase losses. In case of imbalance in phases or tension in the system, it perceives this situation and gives the devices that can cut the circuit with contacts with contacts.

Phase-Training Protection Relays Main,

Industrial Facilities

Motors

mining

elevator

crane

Irrigation

Petro-chemistry

Waste water and more are used in many areas.

Phase Voltage Protection Relays In which cases give out the output signal?

Voltage drop-down: A relay contact signal gives a relay contact signal in case of an increase between 2- 20 %in the nominal voltage values ​​set by the user.

Phase loss: Relay contact signal if one of the phases is cut.

phase sequence error: Relay contact signal gives the relay contact signal if the sequence of the phases is incorrectly connected.

Voltage drop in electrical systems is one of the most common sources of fault. Many devices are damaged during voltage drop or rise. For example, in a motor circuit, the motor life is shortened by creating high heat in engine windings.

Phase loss is a very important and dangerous condition. Phase loss causes motors, transformers, generators to become unusable with overheating.

In the phase sequence error, the motors will damage the system by working in the opposite direction.

Why Sigma Phase-Train Protection Relay should be used?

Sigma Phase-Train Relays are produced at full compliance with IEC/EN 60255-1, IEC/EN 61010-1 international standards. The adjustable time delay for providing flexible solutions in flexible applications has been presented to user control up to 10sn. In addition, the 8-level nominal working voltage in the 220V-460V range is fully adapted to different applications with the selection of selection. Sensitive protection is provided with the measurement error ratio of less than 1 %.