Gresham Power Electronics
Gresham Power Electronics Articles
DC-DC converters handle wide voltage variations
Modern railways rely on a host of electronic systems in order to operate safely and provide passenger comfort and convenience. A typical railway carriage distributes either 72V or 110V DC of battery power to these various systems many of which require lower and regulated operating voltages.
How to asses power supply reliability
Cutting through the acronyms - Gresham Power Electronics explains how to identify a reliable power supply.
Cryptocurrency power supply reduces component stresses
Availability of the Coolisys CBTM1800-12 Cryptocurrency Power Supply has been announced by Gresham Power Electronics. This 1800W AC/DC device is a fully DSP-controlled, efficient enclosed 12VDC power supply. It incorporates resonance-soft-switching technology to reduce component stresses, providing increased system reliability and very high efficiency.
Power supplies meet wide range of safety approvals
Medical equipment designers and OEMs can now source a wide range of fully approved medical power supplies from Gresham Power Electronics. Typical applications include medical instrumentation, ultrasound equipment, clinical and cosmetic lasers, hospital and home patient monitoring systems and IT equipment.
Military strength showcases single-company approach
Worldwide design and manufacture of power conversion and distribution systems is the result of the formation of Coolisys, the power, defence and aerospace systems provider, which includes Gresham Power.
High-reliability batteries are fire retardant
Availability of two series of high-reliability industrial batteries from Yuasa is announced by Gresham Power Electronics. The Yuasa NPL Industrial Battery range offers users complete peace of mind by maintaining system power. They are suitable for industrial applications.
Low profile power supply delivers 550W
The OF(M)550 is a micro-footprint, Ultra High Density (UHD) 550W output power supply introduced by Gresham Power Electronics. The product range has been designed for use in applications including industrial and telecom systems, medical equipment and LED lighting.
10nm chipset at heart of crypto mining unit
The AntEater is the first in the Super Miner series of crypto mining units from Coolisys Technologies. It features the 10nm mining chipset jointly developed by Samsung/Innosilicon, which has been integrated with Coolisys’ highly-efficient power system. The AntEater is an ASIC Bitcoin crypto-miner designed to operate faster while emitting less heat than any other similarly dedicated miner currently available.
VRLA batteries suit all standby applications
maintenance Authorised Yuasa battery distributor Gresham Power Electronics has available two series of high-relability VRLA batteries (valve-regulated lead-acid) from Yuasa’s wide industrial product range. VRLA batteries are more commonly known as sealed maintenance free lead-acid rechargeable batteries which, due to their construction, may be mounted in any orientation and do not require constant maintenance.
Switching power supply delivers 225W with fan cooling
The OF(M)225 Series of open frame switching power supplies from Gresham Power Electronics utilises a highly advanced circuit topology to deliver 225W with fan cooling and 120W convection cooled in an industry standard package that has a 2.00 x 4.00in. footprint while being just 1.0in. high (50.8 x 101.6 x 25.4mm).
DC/DC converter designed for military security systems
The GPD500 500W DC/DC converter now available from Gresham Power Electronics has been designed for use with fixed and mobile communications and security systems on tactical and non-tactical vehicles.
Power supply has highest power density available
Gresham Power Electronics has announced the availability of the Polytron MUI310-A Series of desk-top power supplies for medical applications. The universal AC input product range offers a wide selection of output voltages from 12 to 44 Vdc and up to 310W output power. Typical applications include medical instrumentation, ultrasound equipment, hospital and home patient monitoring systems and IT equipment.
Brabham set to take the reins at Gresham Power
Gresham Power Electronics, the Salisbury-based Defence and Commercial power conversion specialist has named Martin Brabham as Sales Director and Managing Director designate. He is a veteran of the power conversion industry and has held directorships with major international power supply manufacturing companies and distributors.
DC/DC converters offer efficiency up to 93%
Two series of DC/DC converters from Polytron Devices for use in industrial and railway applications are in stock at Gresham Power Electronics. The QB100 and QB150 series boast 100W and 150W ratings, respectively, feature a 4:1 ultra-wide input range and operating temperature of -40 to +110°C.
1200W power supply has industrial and medical approvals
Gresham Power Electronics has announced the availability of the VOX Power NEVO+1200 modular configurable power supply, the smallest in its class and the ultimate power solution for applications where size, weight, low standby power and primary side inhibit are vital factors.
Medically approved DC/DC converters offer wide input range
Gresham Power Electronics has announced the availability two new series of DC/DC converters from Polytron Devices approved for use in medical applications including equipment and devices used in close proximity to patients. Both series are in the industry standard miniature DIP Package and provide a regulated 3 watt output with the TWA3/MHI featuring a 2:1 wide input voltage range while the TWB3/MHIA5 Series has an ultra-wide 4:1 input ...
Low-noise, encapsulated medical power supply have short circuit protection
Low noise, encapsulated medical power supplies from Polytron Devices are available from Gresham Power Electronics. The defence and commercial power conversion specialist has introduced the P3/P5/MHIA medical AC/DC linear power supply series which is UL 60601-1 Third Edition-recognised.
Power supply has Industrial and Medical approvals
The introduction of the UI450 Series of single output 450W power supplies from Polytron Devices has been announced by Gresham Power Electronics. The UI450 fits in a 1U enclosure and has dimensions of 127×76.2×40.1mm (5×3×1.58”) for the open frame unit and 148.2×80×40.6mm (5.83x3.15×1.60”) for the enclosed version.
Power supply has medical and industrial approvals
Single output 450W power supplies from US-based Polytron Devices are now in stock at Gresham Power Electronics. The UI450 fits in a 1U enclosure and has dimensions of 127 × 76.2 × 40.1mm (5in. × 3in. × 1.58in.) for the open frame unit and 148.2 × 80 × 40.6mm (5.83in. × 3.15in. × 1.60in.) for the enclosed version.
Multiple output AC/DC power supplies target medical market
Two new series of universal input AC/DC power supplies from Polytron Devices for use in medical applications have been introduced by Gresham Power Electronics. The MUI65 dual and triple output and MUI40 single output devices have a market leading low standby power consumption of just 0.15W an 85 to 264Vac, 47 to 63Hz input voltage range and low leakage current under 75µA.