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How many A leakage protection switches are used in 5000VA lighting transformers?
- It is widely used in the electronic industry or industrial and mining enterprises, in the machine tool and the mechanical equipment, the control power of the general electric circuit, the use of the power supply of the safety lighting indicator lamp.s
Why can't autotransformer be used as transformer for safety lighting?
- When a fault occurs, leakage of electric leakage occurs, and the original coil is transmitted to the residents at high voltage, causing disastrous effects on the human body and property!s
Please tell me how to calculate the transformer in the lighting circuit of elevator shaft in building electrical design
- Pe=19.5KW, installed capacityKx=1 coefficient of demandPjs=KxPe=19.5KW, calculated loadCOS, phi, =0.85, power factorIjs=KxPe/3/220/cos phi (Ijs calculates current, voltage, 380V/220V, three-phase)=1*19.5*1000/3/220/0.85=34.76As
Who knows how big transformers and lines the 36V transformer uses in lighting?
- 380V-220V/36V transformers, commonly known as safety transformers or line transformers, are mainly used for lighting in shop equipment and mobile lighting for inspection and maintenance. Their power is 50W, 100W, 200W, 300W., and their line size is determined by power!s
How many 40W bulbs can be brought into the 1000VA lighting transformer?
- Voltage x current = power, in general we are using the total power of 2/3, you can press this type of calculation, if the installation of electrodeless lights, the line should be separated,s
How many power illuminator can 5Kva 36V transformer drive?
- Transformer (Transformer) is a device that uses the principle of electromagnetic induction to change AC voltage. The main components are primary coil, secondary coil and iron core (magnetic core). The main functions are voltage conversion, current conversion, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and so on. According to use can be divided into: power transformers and special transformers (electric furnace transformer, rectifier transformer, power frequency test transformer, voltage regulator, mine, variable audio transformers, intermediate frequency transformers, high frequency transformer, transformer, instrument transformer, the impact of electronic transformer, reactor, transformer etc.). Circuit symbols are often used as the beginning of numbers. Examples: T01, T201, T, etc..s
Why is elevator lighting transformer installed?
- Is that the kind of 220V change 36V ah, if it is that kind of thing, I think it should be for security reasons. After all, 36V is a safe voltage. The damage to humans is slightly smaller than that of 220V.s
Why is the two side of the lighting transformer grounded?
- Single-phase transformer two side lighting to the ground, on the one hand is the lighting products now contain many semiconductor devices such as diodes, transistors, integrated circuits, semiconductor devices vulnerable to electrostatic damage, two side grounding contributes to the surge pressure factors produced by residual electrostatic discharge stay in the main circuit, avoid electrostatic protection, product life. In the 21 aspect, there is distributed capacitance between the two side and the primary side of the power transformer, and the high frequency surge disturbance caused by the primary side current source will directly enter the two side to the main circuit through the distributed capacitor. These unnecessary high frequency interference may jump into the sensitive signal source, make the control system malfunction, and the two side grounding of the power transformer can eliminate most of the undesirable effects of the distributed capacitance.s
How do traffic light cameras work
- Traffic light cameras, as the name implies, is the traffic light cameras, of course, not every intersection will be installed. This is to prevent people who do not obey the traffic...
How does traffic light sensors work
- How does traffic light sensors work? This must be a question that has been ignored by people who drive to work everyday, because it is too familiar to trigger your curiosity. Nowad...
Why can we trust Cheap Outdoor lighting
- Why can we trust Cheap Outdoor lighting?First, Patented IP68 design disperses heat from LED to maintain thermal characteristics for optimal long life performance.Second,IP68 stabil...
What's emergency led light bar
- LED lights Light-emitting diodes (LEDs) are solid-state semiconductors that convert electrical energy directly into light in a process After joining p-type and n-type semiconductor...
Why is police strobe lights important
- Newest police car siren, vehicle siren, electronic siren,used for police car, cop car, fire fighting, ambulance EMS, wrecker, project car, sprinkler, patrol car, emergency vehicle,...