Protective relay testing
09 July, 2009 byTo enable electrical installations and relays to be tested to the new IEC 61850 international communication standard for electricity substations, an IEC 61850 option has been introduced for the MPRT protective relay test system, together with MGC configurator software.
DC-DC converters
09 July, 2009The Vicor DC-DC 28 VDC input family has been expanded with the addition of eight wide-input Micro DC-DC converters.
Electrical ground test kit
08 July, 2009
by
The Tower and Substation GroundFlex Field Kit includes the GroundFlex Adapter model 6474 and Ground Resistance Tester model 6472 to test ground resistance of individual power transmission tower legs and total resistance without disconnecting the overhead ground wire. It is designed to save time and money and enhance safety for operators.
AC/DC power source
08 July, 2009 byThe Compact iX Series AC and DC power source addresses increasing demands on test equipment to perform additional functions. Many components in the device are shared between the AC/DC source and the power analyser.
Power quality monitor
08 July, 2009 byThe KoCoS EPPE C8 power quality and power line monitor is a comprehensive electrical analyser in a panel-mounting instrument package suitable for applications that include busbar, feeder and individual load monitoring and power quality analysis.
AC power load
08 July, 2009 byThe 3091LD AC power tester is designed to provide precisely controlled nonlinear loads for testing AC power generation equipment such as UPSs, AC sources, electrical switches and circuit breakers.
Energy monitor
08 July, 2009The Sentron PAC4200 multifunction power monitoring device is the latest addition to the Siemens Power Management offering for use in energy management systems.
Kyoritsu 3128 high-voltage insulation tester
08 July, 2009The Kyoritsu 3128 high-voltage insulation tester has a variable test voltage of up to 12 kV at 35 TΩ, with a short-circuit current of 5 mA. In addition to insulation resistance testing, the tester offers a range of diagnostic insulation testing.
Cost of installed solar photovoltaic systems drops significantly
13 March, 2009According to a US survey, the cost to deploy solar energy systems has reduced significantly over the past decade, paving the way for more market acceptance of this alternative energy source.
SDR-240 DIN rail power supplies
03 February, 2009The SDR-240 is the first model in the Meanwell Slim DIN rail product series of DIN rail power supplies. The slim design of 63.5 mm in width saves space on the rail and makes it 42% smaller in size in comparison to its predecessor model.
Harmonic filtering solutions for VSDs
03 February, 2009NHP’s Advanced Active Front End/Regenerative VSD solutions produce a very low level of harmonic distortion in addition to providing benefits for managing regenerative energy back into the mains power grid.
DC to AC inverter
02 February, 2009The Matrix modular DC to AC inverter is an integrated inverter power system designed for applications where high reliability backup AC supply is required.
Energy-efficient UPS
02 February, 2009The Powerware 9130 series of UPS is designed to help users carry out green initiatives in IT environments. The 700-3000 VA UPS models are available in rack and tower formats and feature a high-efficiency design that is claimed to save energy without sacrificing reliability.
Active power filter
02 February, 2009The SPC smart power conditioner from PQ Tech is an active harmonic filter series suitable for single-phase sub-distribution circuits in commercial buildings, shopping and entertainment centres and small industrial enterprises.
Line reactors for power systems
01 December, 2008The Practical Control Solutions line reactors are designed to attenuate harmonic distortion by impeding unwanted harmonic current resulting from the switching techniques used in many of these devices, which reflect unwanted harmonics back into the mains, often interfering with other equipment and causing excessively high neutral currents.
