EL731-13-10

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Protection Relays & Systems: EL731-13-10 Application Field and Working Principle

EL731-13-10 is a kind of protection relay manufactured by Janitza. It is designed to protect generator sets, transformers, and other medium-level loads from electricity overloads. The device utilizes a patented technology called Static Trip Plus, which helps to detect sudden thermal overload, alerts personnel, and then takes corrective action.

The EL731-13-10 protection relay is designed for use in scenarios where energy monitoring and protection is paramount for prolonged operational safety. It is suitable for applications where overloads, temperature monitoring, and short-circuit protection are necessary. It can be used in both industrial and commercial settings such as factories, hospitals, warehouses, and other industrial premises.

The working principle of the EL731-13-10 protection relay is based on the unique Static Trip Plus technology. This technology uses a complex algorithm to evaluate the power consumption of an electrical load. The device reads the supply voltage and current data, along with temperature and pressure data, to create a virtual short circuit via which the Static Trip Plus responds. Whenever there is a sudden overloading of current or a sustained temperature increase, the protection relay trips and a warning signal is sent. Then the device can take corrective measures, which may vary according to the application.

The EL731-13-10 offers reliable overload protection and thermal monitoring capabilities, even in conditions of extreme temperature. The device also features automatic reset, which is useful for systems that require regular resetting between overloads. Additional features include digital inputs, LEDs for status indication, a “get” button, and built-in self-testing capabilities.

In conclusion, the EL731-13-10 protection relay is a flexible and cost-effective system designed to protect medium-level loads from overloads and temperature fluctuations. It is suitable for industrial and commercial venues where the need for reliable energy monitoring and protection is crucial. The Static Trip Plus technology of the device offers precise data detection and provides reliable protection with its quick response and built-in self-testing capabilities.

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