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The working principle of the self coupling voltage reduction starting control cabinet: The self coupling transformer voltage reduction starting is to use the self coupling transformer to reduce the working voltage and apply it to the stator winding of the motor, thereby achieving the goal of limiting the starting current. When starting the motor, the secondary working voltage of the autotransformer is added to the stator winding of the motor. After starting, discard the autotransformer and apply the rated current to the stator winding of the motor to operate at its rated power. The autotransformer is large and frequent operation is not allowed. It is only suitable for star or triangular connections, large volume motors. Instructions for ordering soft starter cabinets for autotransformers: 1. Specific situation of the front-end power supply 2. Motor model, rated voltage, rated current, rated power, rated speed, rated power factor 3. Accurate motor stall current multiple must be provided when placing an order to ensure the compatibility of customized products; 4. Motor driven load types (such as fans, water pumps, air compressors, crushers, conveyors, elevators, mills, rolling mills, refrigeration machines, etc.) 5. Equipment inlet and outlet methods 6. Equipment usage environment

Hubei Zhongsheng Electric Co., Ltd Locates in National New&Hi-tech Industry district, Xiangyang city,Hubei provience,China. Is a high-tech enterprise which integrated Products R&D, Producing and trading in one. With registered capital of RMB 120,000,000 since July,2008,the company now has more than 4000s square meters workshop and over 400 workers. Has conquered 30% of electric devices in China. 

We have specialized in HV,MV,LV power distribution swtichgear /motor soft starters panels and power factor compensation equipment for 12 years, with the customers of York , Ingersoll Rand ,McQuay, Atlas. SEAH. HITACHI ,VEM ,etc

Hubei Zhongsheng Electric Co., Ltd. (hereinafter referred to as Zhongsheng Electric) is a national high-tech enterprise that integrates research and development, production, sales, and technical services. It is located in the National High tech Industrial Development Zone of Xiangyang City. Mainly committed to the research and development, manufacturing, and application of industrial electrical control, power electronics, industrial robots, and automated production lines.
Today, Zhongsheng Electric is rapidly transforming from a "general electrical equipment manufacturer" to an "intelligent electrical system solution integrator", from a "production technology oriented enterprise" to a "technology service oriented" enterprise. With power electronics technology, industrial robots, and automation as the core support of the enterprise, Zhongsheng Electric is striving to gradually become a domestic first-class and internationally advanced intelligent electrical equipment system integration enterprise that integrates research and development, manufacturing, and sales.

Zhongsheng Electric · Brand Culture
Business philosophy:
Survival through quality, efficiency through management, and development through brand
Strategic objectives:
First class talents, first class management, first class products, and first class services
Values:
Using the brand to prove oneself and repay society
Talent perspective:
Not limited to one style, only using ability, putting morality first, and putting people first
Competitive view:
Striving to surpass, pursuing excellence, harmonious development, and pursuing win-win outcomes
Quality policy:
Strict management, continuous improvement, excellent quality, and customer satisfaction

Hubei Zhongsheng Electric Co., Ltd Locates in National New&Hi-tech Industry district, Xiangyang city,Hubei provience,China. Is a high-tech enterprise which integrated Products R&D, Producing and trading in one. With registered capital of RMB 120,000,000 since July,2008,the company now has more than 4000s square meters workshop and over 400 workers. Has conquered 30% of electric devices in China. 

We have specialized in HV,MV,LV power distribution swtichgear /motor soft starters panels and power factor compensation equipment for 12 years, with the customers of York , Ingersoll Rand ,McQuay, Atlas. SEAH. HITACHI ,VEM ,etc

Since its establishment, the company always adheres to interests of customers as focus, and solid scientific and

technological development management as backup. The company has been certified to ISO9001 Quality Management

System, ISO14000 Environment Management System, OHSAS18000 Occupational Health and Safety System and

CCC. The company has obtained more than 20 tech patents, and rewarded by government as “Little Giant” “Gazelle

Enterprise”many times. And also Has been awarded as Top 10 Famous and High-quality Brands of China for Reactive

Compensation Devices, and listed into National Torch Program.

Our factory With registered capital of RMB 120,000,000 since July,2008,the factory now has more than 4000s square meters

workshop and over 400 workers. Has conquered 30% of electric devices in China.

The manufacture mainly committed to the research, manufacturing and application of power quality optimization

equipment, motor drive&control equipment, power distribution equipment under 40.5KV. And can offer most optimal

solution,especially for completing whole electric system solution to big projects

The company currently has more than 30 sales staff and 5 professional international sales persons who have over 13 years international business experience. Till today, our sales mainly cover the south-east aisia, Africa and American countries.In any time, our sales team can response in time to any request or inquiry from all over the world. Andwe can make the quotation in time, finish production & shipment in time. Ability to communicate and provide services without barriers. Our products ,services & brands enjoy a high reputation in more than 50 countries