About Je-Power

Established in 1915, Jefferson Electric Power LLC is the forerunner and pioneer of the electric power industry. We have a long history in the R&D and production of transformer, UPS, reactive power compensation, power filters and other power protection and improvement devices. The mature application of the products ...

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High-quality products


JE's product line strictly follows the ISO9001 quality management system and ISO14001

Make our customers use electrical energy more efficient and safer.
We develop and produce high-performance electrical energy utilization and power distribution system protection products...
 
Realizing efficient electrical energy use, saving more than 7% energy for users

Our goal is to improve our customers' energy use, reform the energy conversion method, create a safer and efficient environment...

Products

JE has a long production history and mature technology, and has become one of the largest and most powerful technology manufacturing companies in Connecticut after a long period of market testing. The company mainly produces transformers, UPS, reactive power compensation devices, active power filters, etc...

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Application

JE's product line strictly follows the ISO9001 quality management system ...

Service Network.

In addition to comprehensive products, the industry solutions provided by JE also contain perfect services, including design, assessment analysis, project management services and after-sales service. After many years of experience, we have enough knowledge, experience and ability to provide customers with the best service. ¨C Get to know the service network of JE (go to the following text)

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News Center

UK MoD Signs £20M Nano UAS Contract

No German Decision on Heron Replacement before 2012

US Naval Air Warfare Center Evaluates New Missions for AAI Shadow

South Korea Moves Ahead with Stealth Combat UAS Demonstrator

 
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The Fourth United States National Energy Summit opened in Las Vegas


At U.S. Pacific time 9:00 on August 30, 2011, the Fourth United States National Energy Summit opened in Las Vegas. The meeting, which was an energy conference of the highest standards in the United States and focuses on "the future of energy", was presided over by U.S.




Energy conservation becomes a source of the new profit in industrial production chain.

Careers

 
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Electronics Engineer


RESPONSIBILITIES
Contributing to mobility products evolution and development strategy
Software design and implementation for CDMA related features
REQUIREMENTS
Bachelor degree or above in Telecommunication, EE, Computer or related areas




Knowledge and experience of wireless network, knowledge on CDMA base station and Lucent base station product is preferred
Good understanding of large scale software development cycle and process
Highly self-motivated and able to work effectively under pressure
Be flexible on work-time during load delivery
Strong communication skill in English
Good teamwork

DIVORSINE active power filter is the perfect solution for the harmonic problem in power system, and is dedicated to solving influence of harmonics on power safety in the grid over the years. DIVORSINE active power filter uses the most advanced dynamic harmonic active control technology, basing on power electronics technology, active filter technology that precisely detects and feeds back harmonic current, has a strong adaptability to grid change, won¡¯t be affected by the operation mode of power system and harmonic current changes, and achieves a dynamic compensation and filtering, fully filters broadband spectrum harmonic and reduces the cost in repeated and high-order harmonic filtrations.

Features:
 
 Short response time: <1ms, adapt to the changing low pressure load.
 Wide filter spectrum: achieve 2-51 full offsets of harmonics, and allow filtering one or several specific harmonics.
 Neutral line filtering capability: three times of phase line filtering capacity (suitable for three-phase four-wire filtering system).
 Optional reactive power compensation: allow adjusting reactive power, and the filter can work in inductive or capacitive reactive conditions.

Voltage level: suitable for reactive power compensation for 690V, 480V, 400V

Capacity: single set rated capacity: 25A~400A, single set maximum capacity: 400A

 


 Transformer
 - Oil immersion transformer
 - Dry type transformer
 - Special transformer
 UPS
 - 1-40kVA D/T series
 - 10-210kVA Abl-Bric series
 - DSHT-TSC
 Reactive power compensation
 - AC filter capacitor
 - Reactor
 - Wattless power controller
 - silicon-controlled switch (SCS) 
 - Security filtering compensation component
 Active power filter
 - DIVORSINE