Single-way Large Power D.C. Regulated Power Supply 1200W

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Shanghai
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TT or LC
Min Order Qty:
-
Supply Capability:
10000pcs pc/month

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Product Description:

1. Product Description:

The WYJ series D.C. Regulated power supply is the one whose output voltage is variable. They have the functions of continuous adjustment output voltage and fixed output to be chosen as per requirements. The circuit consists of integrated circuit and power amplifier, with single-way output and multi-ways independent output. The circuit has functions of high steady in capability, reliability in characteristic, steady in output voltage, small size novel appearance, suitable for scientific research institutes, manufactories, electric appliance serices and so on.

2. Product Characteristic:

Two-way output
Two numeral tubs show the value of output voltage and current separately through the choice switch.
The regulated voltage and current can be switched automatically and showed by luminous tube.
The two-way output voltage can be serial-shunt operation as per requirement, while in serial and shunt operation ,one of the main
power can follow the voltage or current(shunt).
It adopts the mode of protection of current limitation, which can be adjusted as per requirement.
It can add up to 5V/3A fixed voltage output as the users’ requirements.
Full plastic frame, novel appearance.

 

3.Specification

Power reaction:CV≤1x10-4+0.5mV CC≤2x10-3+1mA

Load reaction:CV≤1x10-4+2mV CC≤2x10-3+3mA


Measurement and weight:290x158x135mm 3~6kgs
Output voltage: Between OV-30V can be adjusted continuously
Output current:0-30A(WYJ1730SC 30A/WYJ1730SL 30A
WYJ1730SC 30A/WYJ1730SL 30A)
0-40A

 

4. Reference Picture:

 

 

 

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Q:How much W?
Ee22 how much of the transformer can be related to the material used. If the material is good, high frequency loss is relatively small. Transformer (Transformer) is the use of electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core (core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage regulator (magnetic saturation transformer) and so on. According to the purpose can be divided into: power transformers and special transformers (electric furnace change, rectifier, frequency test transformer, voltage regulator, mine transformer, audio transformers, IF transformers, high-frequency transformers, impact transformers, instrument transformers, electronic transformers , Reactors, transformers, etc.). Circuit symbols commonly used as the beginning of the number. Example: T01, T201 and so on.
Q:The zero line of the transformer can be connected with the ground wire. Why not leave it?
Transformer ground is a neutral point directly grounded, and then there are protective grounding, just with it. The rest of the place, in addition to protecting the ground, the power system can no longer be grounded
Q:2500KVA transformer bearing current how much calculation
2500KVA transformer carrying current of 7740A. The calculation method is: Because P = UIcosφ, so I = P / (Ucos?) = 2500 KVA / (380 Vx0.85) = 7740A. Transformer is the use of electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core (core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage regulator (magnetic saturation transformer) and so on. According to the use can be divided into: power transformers and special transformers (electric furnace change, rectification, frequency test transformer, voltage regulator, mine variable, audio transformers, IF transformers.
Q:380V transformer always burn, how is it going
Mainly to see whether the capacity of the transformer to meet the requirements, and then see whether the load side of the short circuit. Our transformer here in order to prevent the occurrence of such a situation in the high side of the installation of over-current protection, can effectively protect the transformer. Please adopt Burning transformer is not because of voltage, but because of current. Excessive current causes the coil to heat up to burn the transformer
Q:Taiwan, Taiwan, the concept of transformer
Transformer refers to equipment; Taiwan change is installed in a place of the transformer, is specifically installed, running a transformer; Taiwan area refers to the regional range of variable power supply. Metering point is for the two sides to determine the installation of electric energy meter position, in general, the measurement point should be set at the demarcation point of property rights.
Q:How long does it take to restart the transformer?
If the transformer is shut down for a month or on hold, the trial is stopped for more than 6 months before the commissioning? A: The transformer shut down for a month, before the resumption of power transmission should be measured insulation resistance, qualified to be put into operation.Post or outage for more than 6 months of the transformer, should be done before the insulation resistance and insulation oil pressure test Dry and cold areas of irrigation and drainage dedicated transformer, the suspension period may be appropriate to extend, but not more than 8 months
Q:How to calculate non - isolated power transformer parameters
General non-isolated auxiliary windings according to chip drop VCC operating range. T = 1 / f Dmin = Vout / Vin (max) Ton = T * Dmin Id = Io * 0.3 (0.3 for the ripple current coefficient) Inductor voltage V = Vinmin-Vout-0.6 (Schottky voltage drop) Lmin = V * dt / di If there are problems please go to the big bit of the forum electronic transformer plate
Q:Transformer charging
Is not wrong. Transformer itself is not stored function, that is, there is also a very short cut. You say is not to the transformer power ah
Q:Transformer 1KVA can load how much security, how to calculate the formula
You only give a parameter, that is, KVA, you have to give two dollars to count
Q:Single-phase and three-phase transformer is what it means
Input and output are single-phase AC is the single-phase transformer. Input and output are three-phase symmetrical AC is the three-phase transformer.

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