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FAQ

Who knows how big transformers and lines the 36V transformer uses in lighting?

No matter how many volts the output / input voltage of the transformer is, the size and the amount of the core of the transformer, the wire diameter of the winding lead and the lead thickness must be determined by the transformer capacity. Example: input 220V, output 36V load is 36v/40w light bulb 6, so the primary needs 0.72, secondary use 1.81 diameter enameled wire winding system. The transformer capacity is about 250VA.

How to use digital multimeter to detect the quality of 36 volt low voltage lighting transformer?

General digital multimeter has a capacitor (some of the files with a million capacitance test table of Jack, some use pen)

3 24V100W lights, I need to use a large capacity transformer (220V change 24V)?

The bulb is used in the two luminescence tube combined type lamp holder, the calculation process is very complex. Different combinations, the secondary voltage is different. Because it is a DC ignition, but also consider the efficiency of rectification, but the total power is constant.

Why the 21 lighting transformer must double winding type safety isolating transformers, prohibited the use of autotransformer.

Double winding type safety isolating transformer is provided with two windings respectively as input and output (primary) winding (secondary) winding, and between the two windings are insulated from each other, only through the magnetic connection to the power supply, which is the secondary winding and the earth does not constitute a loop, if the use of additional electrical insulation, it should be safety isolating transformer.

Why should lighting transformers be used in factories and mines?

In some factories and mines (such as power plants), in order to supply power reliability, the power system is grounded in a three-phase, ungrounded, or neutral manner. In this way, the transformer must be connected to a neutral grounding type with a special transformer to supply power to the lighting.

What type of low voltage transformer should be adopted for safety lighting power supply?

In general, indoor transformers are used in general practice

What's the function of the lighting transformer?

Illumination transformer: usually refers to the secondary output voltage for the safety voltage 24V - 36V, only for special lighting power supply using voltage converter.

How to calculate the rated capacity of small transformers for lighting purposes?

Capacity of power transformer is the basic equipment for a total capacity of [kW] (maximum power consumption rate by a / X100 capacity) divided by the power load [%] value for benchmarking.