The stand allows you to study the influence of electrical network parameters, footwear and floor resistance on the safety of a person touching the phase wires of a three-phase electrical network up to 1000 V with a solidly grounded neutral, in normal operation and in emergency mode (when one of the phases is shorted to […]

The stand allows you to study the influence of electrical network parameters, footwear and floor resistance on the safety of a person touching the phase wires of a three-phase electrical network up to 1000 V with an isolated neutral, in normal operation and in emergency mode (when one of the phases is shorted to ground). […]

The stand allows you to study the influence of electrical network parameters, neutral mode, shoe and floor resistance on the safety of a person touching the phase wires of a three-phase electrical network up to 1000 V in normal operation and in emergency mode (when one of the phases is shorted to ground). Designed for […]

The stand is designed to study the processes of current spreading over the soil surface near a ground electrode and allows one to evaluate the effectiveness of various types of ground electrodes for protecting people from electric shock. The stand is used for carrying out laboratory work when studying the course “Life Safety” in higher […]

Allows you to measure the resistance of the human body using direct current and sinusoidal alternating current at different values ​​of the frequency of alternating current and different values ​​of the contact surface area of ​​the conducting electrodes. Intended for conducting laboratory classes in higher and secondary vocational educational institutions when studying the course “Life […]

The stand is designed to study the processes of current spreading over the ground surface near the ground electrode and near a mobile electrical installation and allows one to assess the risk of electric shock to a person in cases of grounding and self-grounding of a mobile electrical installation. The stand is used for carrying […]

Allows you to study methods and devices for protective grounding and grounding of equipment in electrical networks with voltages up to 1000 V with an isolated and grounded neutral, to determine the effectiveness of grounding and grounding means in protecting against electric shock. Designed for conducting laboratory classes in higher and secondary vocational educational institutions […]

Technical capabilities: — the current model of a three-phase network is made at a voltage that is safe for students; — modeling of networks with grounding systems TN-C, TN-S, TN-C-S, TT, IT; — change in the active insulation resistance and capacitance of the phase wires of the network relative to the ground, the resistance of […]

Allows you to investigate the danger of electric shock to a person when directly or indirectly touching parts energized in electrical installations up to 1000 V and to study the main technical methods of its protection (protective grounding, protective grounding, protective shutdown, double insulation, electrical separation of circuits, low voltage ), to study the resistance […]

Designed to study the danger of electric shock to a person when directly or indirectly touching parts energized in electrical equipment up to 1000 V and studying the basic technical methods of protection (protective grounding, protective grounding, protective shutdown, double insulation, electrical separation of circuits, low voltage ), studies of human body resistance, research List […]

The stand allows you to study the time-current characteristics of differential-type residual current devices and evaluate the effectiveness of residual current devices (RCDs) for protecting people from electric shock. The stand is intended for carrying out laboratory work when studying the course “Life Safety” in higher and secondary vocational educational institutions. Technical capabilities: — the […]

Allows you to study the danger of electric shock to a person and the main technical methods of protecting it — protective grounding, double insulation, automatic power off in case of overcurrent, residual current device — in a residential or office building (single-phase network with a TN-S grounding system). Application area: for conducting laboratory classes […]

Designed to study the principle and features of measuring grounding resistance using the ammeter-voltmeter method, it allows one to study the influence of the relative position of auxiliary electrodes (current and voltage) and soil resistivity on the accuracy of measuring the value of grounding resistance of various types of ground electrodes. Specifications: 1. Grounding electrodes […]

The stand is designed to study and compare the following methods of insulation monitoring in electrical networks with an isolated neutral: • control of active insulation resistance using a three-valve circuit; • control of active insulation resistance by applying an operational direct current; • control of complex insulation resistance at a frequency of 50 Hz […]