Why are there power surges in the network and how to deal with them?
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.
Power supply
Please specify the section:
High voltage equipment
Electricity of the net
Electricity and Security
Electric laboratory
What voltage deviation in the network is considered the maximum permissible
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 is reactive power compensation needed and how is it implemented
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 VL insulators and what are they for?
What are electrical insulators for overhead power lines? Purpose and scope of existing types of insulators. Product labeling.
What is automatic frequency unloading and why is it needed
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
What are harmonics in electrical networks and why are they dangerous? Ways to reduce harmonic interference. Negative effects of harmonics.
What is zero sequence current protection
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 the neutral wire heated and is it dangerous
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 are the classes of protection against electric shock
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.
Power transmission over a distance without wires
How is the wireless transmission of electricity over distances. The history of the development of technology for the transfer of electricity without wires.
What is cable burning and how is it performed
How is burning the insulation of the power cable and what is it for. Installations for burning cable lines. Video example work.
What is an interphase short circuit
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.
Why don't birds be electrocuted when they sit on wires?
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 are contacts heated and what can this lead to
Why does contact heating occur and what can this lead to. Ways to eliminate the heating of contact joints in sockets, on machines, etc.
What is the allocated power of electricity and how to increase it
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 what determines its magnitude
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 checked and what is it for?
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 are they calculated
What is ONE for electricity and how to calculate them correctly. Ways to reduce the cost of paying for housekeeping needs for electricity.
What is a surge protector and what is it for?
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 your child from electricity - effective ways
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.
What to do if a tree fell on wires?
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 is the danger of voltage dips in the network and how to protect yourself from them
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 earthed neutral - simple definition
What is a grounded neutral, what is its principle of operation and scope. Classification of networks with transformer neutral earthed neutral.
How to sell electricity to the state and is it profitable
How is electricity sold to the state? What is a green electricity tariff. Is it profitable to sell electricity to the network?
How to conclude a contract for the supply of electricity - procedure
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.
Innovative Water Leakage Protection - Neptun Prow + Wi-Fi
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.
