JSW Precise Purifying Power with Three-phase Four Wire System

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Product Description:

Feature

 

JSW serises Precise Purifying AC.Power Supply is composed of by JJW series single-phase with "star-shaped"connection,so it posseses all the advantage of the single-phase Power Supply.It is an ideal reguated power supply for all kinds of test and measurement device,electronic equipments in production enterprise,research institute,medical and health fields.

Main Technical Data

Phase No.: Three-phase four wire system

Input voltage: 310V~430V                          

Output voltage: 3800V±1% 

Frequency: 50Hz±2Hz

Over voltage alarm protection: ≤426±7V

Power source voltage effect: ≤±0.5%

Withstand voltage: >1500V/min

Efficiency: > 90%

Waveform distortion:<5%

Response time: 20ms-100ms

Peak absorption: Input 500V/8x13μs output ≤5V

Ambient temperature: -10 ºC ~+40ºC  

Insulation resistance:  >2MΩ

 

Application

It is suitable in computer network project, electronic instruments, armarium research institute, measurement and test device, factory test board and so on.

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Q:The difference between lighting transformers and control transformers
The lighting voltage is 36 and 12V, the signal lamp is 6V, the control winding is 127, 110V, the one or two insulation, and the two one is grounded.Simple lighting transformers, the two voltage is not so diverse.
Q:How is the lighting power of the 380V transformer calculated?
With a light bulb with 4KVA load, the premise of the distance can be Mrs. face light bulb, dark can light the best load, 3KVA bulb brightness
Q:How to calculate the rated capacity of small transformers for lighting purposes?
But in fact, consider the total load, the importance, the location of the machine, and the future additional plan, according to the following order.
Q:Power and lighting transformers, lighting quality will be affected much?
The quality of transformer itself, coupling coefficient, overload capacity, as well as the impact current of the bulb, the cold resistance of the filament and the starting factor at the same time, it is better to choose the 400VA transformer.
Q:What's the function of the lighting transformer?
In addition, can be rated power supply voltage of not more than 1000V AC circuit, as a machine tool and mechanical equipment control power, work lighting and signal light power supply, can also be used as a small power supply!
Q:Our power lines and lighting lines are connected to the same transformer. Is there any effect?
The transformer that power supply company manages, it is to supply motive power and illumination generally, namely the lighting transformer that does not have special illumination to illuminate. Units of their own transformers, is generally the case. The utility model has the advantages that the transformer and other equipment can be fully utilized, the efficiency is high, and the external power supply circuit does not need to be divided into power transmission lines and lighting circuits, and is simple and orderly, and the cost is low. As for the price of electricity, it is usually negotiated a power and lighting each percentage of the electricity to calculate and receive.
Q:Please tell me how to calculate the transformer in the lighting circuit of elevator shaft in building electrical design
Because of the brightness of the 36V safety voltage lamp brightness in the overhaul work is not enough, so now the well lighting design should not be 36V, and replaced by 220V, and only need to add a leakage protector on it.
Q: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!
Q:The transformer zero line has broken, has the result to the household illumination circuit?
No, the zero line of the transformer doesn't go through the zero line of the transformer. It is a star connection, and the center point is zero line
Q:What transformer can be used in a safety voltage lighting transformer?
An isolated transformer is a transformer that is electrically isolated from an input winding and an output winding. The isolated transformer is used to avoid accidental touching of the charged body at the same time, and the isolation of the transformer is to isolate the current of the former side winding coil.
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1. Manufacturer Overview

Location Zhejiang,China (Mainland)
Year Established 2000
Annual Output Value US$10 Million - US$50 Million
Main Markets South America; Eastern Europe; Southeast Asia; Africa; Mid East; Eastern Asia; Western Europe
Company Certifications ISO9001 Certificate

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3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage 51% - 60%
No.of Employees in Trade Department 3-5 People
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b)Factory Information  
Factory Size: 5,000-10,000 square meters
No. of Production Lines
Contract Manufacturing OEM Service Offered
Product Price Range