The 61800 network simulator's extensive feature set enhances its state-of-the-art digital control technology. Standard models deliver up to 330VL-N at output frequencies ranging from 30Hz to 100Hz. Options include an AC load option, a 500VL-N high-voltage option, and a 210kVA 1000VL-N XHV option. Users can achieve these high voltages without an external transformer.
The 61800-100 supports a parallel output function, allowing up to six units to be connected, resulting in a total output power of 630kVA. Power outputs exceeding 630kVA can be achieved through customization. Operation is performed via the front panel or remotely using the available software, called Chroma soft panels. The soft panels are equipped with data logging capabilities, enabling the simultaneous recording and saving of multiple measurements.
All 61800 regenerative grid simulators are fully regenerative, 4-quadrant AC power supplies with advanced features that meet rigorous regulatory standards testing, as well as design and verification testing throughout the product development cycle. The 61800 can seamlessly dissipate and generate power from the UUT to support countless applications. In cases where the UUT generates current, a sensing circuit detects the excess energy and recycles it back to the grid. Designed to simulate grid characteristics, the 61800 is ideal for testing photovoltaic inverter, online UPS, smart grid, vehicle-to-grid (V2G), and energy storage system (ESS) applications, as well as common electrical product testing, such as household appliances and industrial electronics, that require a programmable input source.
The AC+DC function enables applications requiring DC offset deviation. In addition to delivering clean, accurate, and stable AC voltage, the 61800 is capable of simulating various types of distorted voltage waveforms and transient conditions required for product validation testing.
The synthesis function allows users to create periodic harmonic voltage waveforms up to the 40th order based on a 50/60Hz fundamental frequency. The interharmonic function allows users to perform frequency sweeps from 0.01Hz to 2400Hz above the 50/60Hz fundamental frequency. This special function helps users locate resonance points. The 61800 series can also provide precision measurements such as RMS voltage, RMS current, real power, power factor, current crest factor, and many others. 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 for remotely controlling the 61800 network simulator.

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