The backup power supply device with power up to 1kWatt (driven by a steam turbine) is to be used for provision of electrical energy to electric drives and automation of heating boilers in systems of autonomous heating.

The system is designed for high-speed relay protection of factory-assembled switch-gears of 6-10 kV against arc faults.

The system is designed for electromagnetic locking of substation disconnectors while fulfilling switching operations.

KZD-04 device is designed to protect induction motors with the voltage of 0.4-6kV of any power against all types of faults and inter-winding faults in the stator winding, single-line-to-ground short-circuits (chassis), the symmetric and asymmetric overload, wire breakage phasing, delayed and failed start-ups and jamming.

The program is designed to calculate the normal steady-state regimes and short-circuit currents, taking into account multi-longitudinal-transverse asymmetry and the pre-failure modes in networks of all voltage classes, with allowance for the load and the groups of connection of power transformers.

Finding faults in power cables and cable routing of high-voltage lines.

Multichannel quick-response arc protection of factory-assembled switch gears (FSG) of 6-10 kV (3 and 6 channels) is designed to selectively disable the damaged cell with fixing the damaged compartment of FSG.

RNM-03KI2-type device is designed to protect (alarm) against earth faults in networks with isolated neutral of 6-35kV voltage.

Microprocessor-based protective anti-fault relaying in the electrical networks of 6-35 kV, of RENOME-04L type is designed to protect air and cable lines, working with an isolated, compensated or resistive grounded neutral, against single-phase earth fault.

A protection device of 6-35 kV bus section connections against single-phase earth faults, RENOME-04T, is designed to selectively disable connections in networks of 6-35 kV with an isolated neutral and in networks with capacitance current compensation. A protection device of 6-35 kV bus section connections against single-phase earth faults, RENOME-04T, is designed to selectively disable connections in networks of 6-35 kV with an isolated neutral and in networks with capacitance current compensation.

An adaptive protection system of KEDR-07(M) type is designed for distant backup protective relaying of overhead lines with branches of 6-110kV voltage when connected to a power transformer of 2.5-32 MVA.

Protection of single cells, sections and groups of cells of a factory-assembled switch-gear (up to 6 pcs.) of stations and substations with dc and ac control power. At substations with ac control power it is used in conjunction with power supply unit PSU RDZ-212.

The remote detecting of broken insulators of 6-35 kV electrical lines, using the method of high voltage impulse probing.

Routine check of insulation by DC overvoltage of negative polarity.

Searching of the insulation damage of high voltage power cables without preliminary insulation burning.

The microprocessing system for automatic elimination of the earth fault is designed for the substations with overhead lines and without the constant support of men on duty.