EL731-11-10

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Part Status:	Active

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Introduction

EL731-11-10 is a three-phase overcurrent protection relay designed for use in any low voltage system to provide the highest level of protection against overcurrent events. It is primarily used in medium voltage applications of up to 11kV and is ideal for protection and monitoring of short circuit events, load balance current, overvoltage, and phase differences in AC power distribution systems. The device is equipped with features such as selective tripping, adjustable time delay, adaptive settings, and remote monitoring. Additionally, the device also has the ability to connect to communication networks for further information about current and voltage protection thresholds.

Protection Relays & Systems: EL731-11-10 Application Field and Working Principle

The EL731-11-10 protection relay is primarily used in medium voltage applications up to 11kV. It provides overcurrent protection of any low voltage system with a high degree of accuracy and reliability. The EL731-11-10 is best suited for the protection and monitoring of short circuit events, load balance current, overvoltage, and phase differences. The device also provides remote monitoring capabilities and adjustable time delays for the tripping of short circuit protection.

The EL731-11-10 overcurrent protection relay is based on a magnetic pickup system. The magnetic pickup system uses a magnetic coil to measure the current in the power system. A signal is generated when the current reaches the set limit, which results in a trip signal applied to the system\'s overcurrent relays. The adjustable trip time delay allows for the protection of the system from any fast overcurrent transients.

The device is also equipped with a number of advanced features such as selective tripping. This feature allows the user to set different trip time delays for different power sources. Additionally, the device can be integrated with communication networks such as Ethernet, Modbus, and CANbus, which allows for further information about current and voltage protection thresholds to be obtained. Finally, the device also includes an adaptive setting feature, which allows the device to operate in different environments and adapt to changing current levels.

Conclusion

The EL731-11-10 is an advanced and reliable overcurrent protection relay designed for the highest level of protection in low voltage power distribution systems. It is perfect for medium voltage applications up to 11kV and provides protection and monitoring of short circuit events, load balance current, overvoltage, and phase differences. The device is equipped with features such as selective tripping, adjustable time delay, adaptive settings, and remote monitoring. Additionally, it is compatible with communication networks for more information about current and voltage protection thresholds.

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