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Selective protection device against single-phase ground faults for medium voltage electrical networks

A device for selective protection of medium voltage networks against short-term, arcing, and sustained single-phase ground faults.
General information
Contacts

General information

Developer: Saint Petersburg Mining University

Industry

Electric Power Industry

Project Research Team

Head: Denis Anatolyevich Ustinov Scientific Team: Denis Nikolaevich Pelenev

Scientific novelty

The device enables protection against short-term, arc, intermittent arc, and stable single-phase ground faults.

Advantages

The device is equipped with a unit for recording short-term single-phase ground faults, which allows for the informational differentiation between "dangerous" and "non-dangerous" single-phase ground faults.

Commercial implementation

At enterprises developing relay protection and automation systems, protection automation and control systems, and highly automated substations, in order to increase the selectivity of existing algorithms for protection against single-phase ground faults in distribution networks.

Development stage

Laboratory prototype

Required investment

2,100,000.00 RUB

Investor's share in the project

70%

Security documents

Patent No. 2769099

Attachments

Database of innovative projects of the Mining University

Contacts

Patent and Licensing Department:

tel.: +7 (812) 328-86-16

e-mail: patent@spmi.ru

website

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