Foothill Ranch, CA. Chroma Systems Solutions Inc. has announced the release of a new addition to its 61800 Series regenerative grid simulators. The 61830 is a full 4-quadrant, fully regenerative, 30-kVA AC power source with advanced features satisfying rigorous regulatory standards testing as well as design and verification testing throughout the product development cycle. The 61830 satisfies regulation testing to standards such as IEEE 1547/IEC 61000-3-15/IEC 62116, ensuring proper and safe operation of on-grid products.
The 61800 can both sink and source power from the UUT seamlessly. In cases where the UUT sources current, a detection circuit will sense the excess power and recycle it back to the grid. Designed to simulate grid characteristics, the 61800 is targeted for testing PV inverter, on-line UPS, smart grid, vehicle to grid (V2G) and energy storage system (ESS) applications as well as common electrical product testing such as home appliances and industrial electronics requiring a programmable input source.
The 61800’s feature set includes state-of-the-art digital control technology and can deliver up to 330 VAC at output frequencies ranging from 30 Hz to 100 Hz. Optional 0- to 400-V line-to-neutral or 0- to 692-V line-to-line is achievable without the need for a transformer. The AC+DC feature allows for applications that require a DC offset bias. In addition to supplying clean, precise and stable AC voltage, the 61800 is capable of simulating various types of distorted voltage waveforms and transient conditions required by product validation testing.
A synthesis function allows users to create periodic harmonic voltage waveforms of up to 40 orders based on a 50/60-Hz fundamental frequency. The interharmonic function allows users to perform frequency sweeps ranging from 0.01 Hz to 2,400 Hz on top of the 50/60-Hz fundamental frequency. This special function assists users in locating the resonance points. The 61800 Series is also able to provide precision measurements such as RMS voltage, RMS current, true power, power factor, and current crest factor. By applying advanced DSP technology, the 61800 can easily simulate power line disturbance (PLD) using list, pulse, and step modes. RS-232, USB and Ethernet interfaces are available to control the 61800 grid simulator remotely.
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