Leroy Somer AVR R438 power genset ,Automatic Voltage Regulator

Leroy Somer AVR R438 power genset ,Automatic Voltage Regulator

LEORY SOMER AVR R438:
1.R438 description:

R438 can be powered by APER OR PMG field excitation system. the circuitry of R438 provides closed loop control of the generator output voltage by regulating the exciter field current.

2.R438 Characteristics

Voltage regulation ±0.5%
Short circuit capability:3Xlrated for 10 seconds (AREP or PMG excitation)
Voltage sensing:
95 to 140 volts (50/60 Hz) or
170 to 260 volts (50/60 Hz) or
340 to 520 volts(50/60 Hz)
Response time:
Normal(1 sec) for ±20% voltage variation
or Rapid (0.3sec)for ±20% voltage variation
Remote voltage adjustment range of:±5%

LONG XIN TECHNOLOGY CO.,LIMITED lies in the economic core area of western China - Liangjiang New Area, Chongqing with a profound history, flourishing culture and developed manufacturing industry, is an instrument base of national automation control and a credit enterprise.

As a professional manufacturer of generator units and controllers, our company boasts the perfect capabilities of design, development, inspection and production. Our products include all kinds of generator units, controllers, engine actuators, engine control panels and a variety of speed, water temperature and pressure sensors. We have obtained the trust and reputation from the universal customers at home and abroad through perfect and professional pre-sales, sales and after-sales service. The strategic pattern based on domestic market and serving for overseas market has been formed by our products all over the world.

The advanced technology, outstanding employees, sophisticated equipment, strict management and professional service are the foundation for our consistent development. “Credit, Reliability and Professionalism” is our service concept. The well-trained R&D team, advanced technology and equipment, perfect process and scientific management lay a solid and reliable quality foundation for our products and make our product performance index enable to meet the demands of the universal customers at home and abroad. Upholding the production and management philosophy of “Professionalism by Concentration, Success by Credit”, our company provides all-round service for the customers at home and abroad. The various types of generator units and related control boxes, control cabinets, control panels, protectors, governors, etc. developed by our company, the advancement, practicability and reliability of which even surpass the foreign products of the same line, enjoying popularity and reputation from customers at home and abroad.

As a private-owned technology enterprise, following the direction of “Technological Innovation, Independent Innovation and Professional Service” and upholding the quality policy of “Scientific Management, Elaborate Manufacture, High-quality Service and Excellence Pursuit”, we will fully establish quality management system and consistently upgrade our core competitiveness. Holding the concept of “All-win with Customers, Partners and Employees”, we will continuously gather elite force and integrate industry resource to create more and broader values for customers.

Facing the historical moment of the development of Chongqing Liangjiang Special Area, we will seize the opportunity and exert more efforts to provide top-quality products with the most reasonable price and perfect service; Oriented by customer demands, aiming at the increase of product utilization rate and customer demands, we will consistently introduce the advanced technology at home and abroad to bring more complete control scheme of generator units for customers.

We believe we will obtain a better future as long as we orient by market, motivate by innovation, survive by quality and make creditable friends with customers. Warmly welcome customers at home and abroad to visit us and make technical exchange. We would like to sincerely cooperate with older and new customers for common development and brilliance.