What to do if tension jumps in an apartment or house? The main causes of voltage drops in the network. Where to complain to solve the problem.
Permissible and maximum deviation of voltage in the network according to GOST. The effect of voltage deviation on the operation of electrical equipment. Ways to solve the problem.
Why do we need reactive power compensation in electrical networks and how it is implemented. The main types of compensators and their principle of operation.
What are electrical insulators for overhead power lines? Purpose and scope of existing types of insulators. Product labeling.
What is automatic frequency unloading and where does it apply. Purpose and principle of action of the AChR. Types of automatic frequency discharge.
What are harmonics in electrical networks and why are they dangerous? Ways to reduce harmonic interference. Negative effects of harmonics.
Why do I need current protection of the zero sequence and what is its principle of operation. Where TZNP is applied in practice. Detailed explanation on the video.
Why is zero heated in the wiring. What to do if the zero wire is heated in the shield, in the socket or on the opening machine. Is heating zero dangerous?
What classes of protection against electric shock exist in accordance with GOST 12.2.007.0-75. What is the protection of electrical appliances from electric shock.
How is the wireless transmission of electricity over distances. The history of the development of technology for the transfer of electricity without wires.
How is burning the insulation of the power cable and what is it for. Installations for burning cable lines. Video example work.
What is interfacial circuit and what are the causes of its occurrence. Methods of protection against phase-to-phase faults on a high-voltage power line.
Not sure why birds aren’t shocked by wires? The article reveals the reasons for the safe location of birds on power lines, as well as situations when the bird is shocked.
Why does contact heating occur and what can this lead to. Ways to eliminate the heating of contact joints in sockets, on machines, etc.
The allocated power of electricity for an apartment and a house in accordance with established standards. How to increase electric power capacity for private and legal entities.
What is touch voltage and how dangerous is it. Methods for calculating and measuring touch voltage. Norms that should not be exceeded.
How is metal communication measured in electrical installations? Devices with which the test is performed, as well as permissible resistance values.
What is ONE for electricity and how to calculate them correctly. Ways to reduce the cost of paying for housekeeping needs for electricity.
The device, the principle of operation and the purpose of the surge protector. Where is the surge protector used and why is it necessary to use this device.
How to protect children from electric shock. How to protect a child from electricity in the house and on the street. Options for protecting outlets from children.
Where to call if a tree fell on wires? Who is to blame for this and what is the penalty for breaking power line wires. Danger of touching branches to wires.
What are voltage dips in the network and how are they dangerous. The causes of voltage dips and protective measures against this phenomenon.
What is a grounded neutral, what is its principle of operation and scope. Classification of networks with transformer neutral earthed neutral.
How is electricity sold to the state? What is a green electricity tariff. Is it profitable to sell electricity to the network?
The procedure for concluding an electricity supply agreement with an individual and legal entity. What documents to prepare in order to conclude a contract for the supply of electricity.
Overview of the Neptun ProW + Wi-Fi module.The functionality of the Neptune water leakage protection system. Than Neptun ProW + Wi-Fi system is better than analogues.