Powerelectronics 1730 Pet0722sorensen

1000 VDC Supply Powers Photovoltaic Inverters

July 22, 2013
AMETEK Programmable Power has extended its Sorensen SG Series high-power DC power supply line with the introduction of the new SG 1000V, which can supply up to 1,000V DC for applications such as testing photovoltaic (PV) inverters and electric vehicles.

AMETEK Programmable Power has extended its Sorensen SG Series high-power DC power supply line with the introduction of the new SG 1000V, which can supply up to 1,000V DC for applications such as testing photovoltaic (PV) inverters and electric vehicles.

The Sorensen SG Series leads the industry in power density and is one of the industry's most widely used DC power supplies in its class with more than 20,000 units in the field.  The quality of power supplied by Sorensen SG Series makes it well suited for a very broad range of applications, including test and measurement for devices such as PV inverters and electric vehicles, semiconductor processing, electroplating, and for imagers such as CT and MRI scanners that are used as luggage scanners for homeland security.

The new 1000 VDC model of SG Series power supplies can provide up to 15 kW in a 3U package. The SG 1000V, for example, can supply up to 15 A in the standard 3U package. Users also can select from 5 kW and 10 kW models. For users who need more output power, up to five 15 kW units can be connected in parallel to supply up to 75 kW. In addition, the Sorensen SG Series offers fast voltage and current slew rates, exceptional load transient response, low noise, and built-in power factor correction.

All of the models in the SG Series are available with either Sorensen General-purpose Intelligent (SGI) control or Sorensen General-purpose Analog (SGA) control. Units with SGI control combine on-board intelligent controls with the outstanding power electronics common to all SG Series supplies. These controls enable sophisticated sequencing, constant power mode and save/recall of common setups, making the SGI-capable unit ideal for repetitive testing using complex or compliance waveforms. The unit features a vacuum fluorescent graphical display in eight languages, context sensitive "soft" keys and front panel keyboard simplify programming of the SGI.  A popular and unique SG option is a factory-installed dust filter for 3U units.

Units with SGI control come with a standard RS-232C port. GPIB/IEEE 488.2 and LXI Ethernet ports are optional features. Units with SGA control are designed for users who require simple front panel analog controls or external control. With the same high- performance power electronics as the SGI, the SGA-configured unit provides essential features such as 10-turn potentiometers for setting voltage and current, 3½ digit LED readout plus front panel over-voltage protection (OVP) preview/adjustment and reset. Units with SGA control come standard with remote analog control and can be fitted with an RS-232C port, a GPIB/IEEE 488.2, and an LXI Ethernet port as optional features.

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