The activity of our Company consists of providing services for testing and measuring electrical equipment up to 35 kV for the following types of work:

- Commissioning tests;

The list of permitted and ongoing tests and measurements includes: 

• Monitoring of the condition of grounding devices of electrical installations and their elements;
• Monitoring the presence of a circuit and measuring the transient resistances between earthing devices, grounded equipment and grounding conductors;
• Monitoring of protection and its operation in a power supply system with a grounded and isolated neutral;
• Monitoring of protection made by fusible inserts in electrical installations with voltage up to 1000 V, calibration of inserts;
• Control and testing of automatic installation of supply lines;
• Control and testing of switching devices of secondary circuits and electrical equipment with voltage up to 10 kV;
• Monitoring of circuit breakers in electrical networks with voltage up to 1000 V for current actuation;
• Monitoring of voltage and operating current of oil switch drives;
• Monitoring of relay protection, automation, telemechanics and protective shutdown devices;
• Monitoring of the emergency lighting and lightning protection system;
• Monitoring and testing of uninterruptible power supply units;
• Measurement of the resistivity of the earth and the resistance of grounding devices;
• Measurement of insulation resistance of cables, windings of electric motors, apparatuses, secondary circuits, electrical wiring and electrical equipment with voltage up to and including 35 kV;
• Measurement of the total resistance of the single-phase short circuit current (phase-zero loop) in installations with a voltage up to 1000 V with a dead-earthed neutral;
• Measurement of transient resistances of contacts and windings;
• Measurement of direct current resistance of windings of power transformers and oil switches;
• High voltage testing of cable lines and electrical equipment with voltage up to 10 kV;
• Testing of personal and collective protective equipment (electrical and mechanical);
• Testing and measuring the characteristics of voltage and current transformers;
• Measurement of the current spreading resistance of the grounding device;
• Measurement of the current spreading resistance of the grounding device;
• Checking the lightning protection system; • Checking and testing of uninterruptible power supply units;
• Finding cable routes and places of their damage, "burning" a cable line with a voltage of up to 10 kV;
• Quality control of electrical energy.

- Periodic preventive tests of electrical equipment, wires and cables;

• Electrical measurements;
• Electrical tests;
• The operation of all elements of the electrical power supply is checked by the electrical laboratory;
• diagnostics of all elements of power supply;
• Comparison of indicators with normative ones;
• Providing recommendations for troubleshooting and further operation.

After completion of the work, the Customer is issued a technical report, including test reports of electrical equipment and a conclusion on compliance with the NTD. Our specialists can also develop one-line diagrams of your objects.

- Testing of protective equipment used in electrical installations up to and above 1000 V:

• Insulating rods, for electrical installations up to 35 kV;
• Rods for portable grounding for electrical installations 330 - 500 V;
• Measuring rods for electrical installations up to 35 kV;
• Measuring rod heads;
• Insulating tongs for electrical installations up to 35 kV;
• Voltage indicators up to 1000 V;
• Voltage indicators for electrical installations up to 35 kV;
• Electric measuring tongs for electrical installations up to 10 kV;
• Dielectric gloves;
• Special dielectric shoes;
• Manual insulating tool.