The slip of an induction motor characterizes the lag of the rotor from the stator field. What it is, how it differs in different operating modes and how to measure the slip, read the article.
There are 6 SKEN 40-25 TU-21-25-290-85 heaters in the garage. Testing by the tester showed that they are working, but they did not work when connected. What is the problem?
In half of the outlets in the apartment, the voltage is reduced by 40 volts. The light and the second part of the sockets are working properly. What could be the reason?
When installing wiring damaged zero core. Earth and phase are whole. After installing the sconce of this, an RCD started to work in the apartment and access electrical switchboard.
Design features and characteristics of the VVGNG-LS cable. Explanation of the marking and the cross-sectional table of the conductor. Analogs and manufacturing plants VVGNG-LS.
There are two outlets. We want to install a dishwasher. But to connect it, you need one more outlet. Tell me how to add a socket without gating?
The lamp with the LED lamp blinks in the switched off state. Installing a resistor and capacitor in parallel did not help. What could be the reason?
The 6 channel elektrostandard y6 controller works well from the remote control, but it does not work when controlled from the wall switch.
When the machine is turned on with a power of 1.5 kW, a voltage drop occurs. After that, the differential machine is turned off. What could be the reason?
It is necessary to adjust the power of the heating elements. How can I do that? How to make smooth power adjustment? How to choose a heating controller?
There is voltage, the starter is triggered, but none of the 4 electric motors starts, they do not even buzz. But the starter turns on. What could be the reason?
When connecting the electric stove there was a problem: I can not distinguish zero from the ground.Tell me how to determine where PE, and where N, if they call each other?
What are the metal trays EKF, how they are arranged. Overview of perforated, non-perforated, wire and stairways from EKF.
It is necessary to redo the electrical panel to connect the electric stove from one phase to three. Can I use two cables with different cross sections and set the machine to zero?
After replacing the wiring, we noticed that when you turn on the washing machine or electric stove, after a while something clicks in the electrical panel. What could it be?
The structure of the marking and designations of domestic engines such as AIR and foreign Siemens and their interpretation. Designation of the ends of the windings in brno.
What rules do PUEs violate most often and how to do it right, without violations. Responsibility for violation of electrical installation rules.
They put a washing machine under the sink, a sink on the countertop, and the outlet was installed 60 cm from the mixer. Is such a solution safe?
The light began to blink in the apartment. I noticed that the counter was melted in the place of connecting the wires. If the washing machine is working, the counter starts to mumble. What to do?
In the cafe you need to install 7 lamps. Switches for every two fixtures and for one remaining separate. Tell me how to properly wiring for them?
To the difavtomat, in which the phase and zero releases are at both poles, the output is mixed up. Is such use acceptable and dangerous?
What cable to use to connect the apartment electrical panel from the floor? How to lay it, in the corrugation or cable channel?
When the pump was connected to the mains, the engine started, then stopped, there was a clap and the machine was knocked out. What is the cause of the malfunction and connect the capacitor to the motor?
In the shield there is an RCD at the input and group machines. When devices are connected to one of the groups, an RCD trips and disconnects the line. What could be the reason?