CONTROL AND ADJUSTMENT OF RELAY PROTECTION UP TO 500 KV
Viable solutions for electric energy
What is control and adjustment of relay protection?
During operation of electric machines and devices, cable power lines and other parts of electrical networks violations of normal modes of operation and damages may occur resulting in the majority of cases in short circuits.
Emergencies and their development may be prevented by quick disconnection of damaged section in the electric installation or in the network using special automated devices called as relay protections, which provide switching off breakers.
So, permanent control and correct adjustment of relay protection are the necessary condition of safe operation of your electric equipment. Regular check of relay protection is a warrant of energy preparedness of any enterprise.
Why control and adjustments of relay protection are necessary?
In order to provide correct and reliable operation of all relay protection devices, it is necessary to perform periodical check of their work. Periodicity of relay protection checks is settled considering responsibility of an object, condition of equipment, qualification of operating personnel and other factors, which are distinctive for each specific case.
There are several kinds of works connected with checking relay protection differentiating in difficulty and length of execution of works. Our specialists are ready to help you in the most difficult situations.
How do we check relay protection?
To perform checking relay protection it is necessary to perform works as follows:
- REMOVAL OF PROTECTION FROM SERVICE
- INTERNAL INSPECTION AND CHECK OF MECHANICAL PART OF RELAY EQUIPMENT
- CHECK OF MOUNTING AND MARKING CORRECTION OF CIRCUITS
- TESTING AND CHECKING INSULATION
- CHECK OF CURRENT TRANSFORMERS
- CHECK OF VOLTAGE TRANSFORMERS
- CHECK OF PRESET VALUES AND ELECTRICAL CHARACTERISTICS OF RELAY
- CHECK OF RELAY INTERACTION IN THE SCHEME AND EFFECT ON SWITCHING DEVICES
- CHECK OF EQUIPMENT AND CONTROL CIRCUITS
At will of a customer, it is possible to check relay protection in full or partial volume by specialists of Quadro Electric.
THE RESULT OF CHECK IS A TECHNICAL REPORT WHERE WE PROVIDE CONCLUSION ABOUT THE STATE OF ALL EXAMINED RELAY PROTECTION, RECOMMENDATIONS FOR ELIMINATION OF DEFECTS AND MEASURES FOR PROVISION OF EQUIPMENT RELIABLE OPERATION.