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The Chroma 61860 Regenerative Grid Simulator is a state-of-the-art, full 4-quadrant, fully regenerative AC power source, specifically engineered for rigorous testing of electrical products including home appliances and industrial electronics. Its versatility extends to simulating grid characteristics vital for testing PV inverters and online UPSs. The 61860 seamlessly operates as both a power sink and source, facilitating a wide range of testing applications. When the Unit Under Test (UUT) sources current, an intelligent detection circuit efficiently recycles excess power back to the grid.
This advanced grid simulator is particularly well-suited for smart grid and electric vehicle (EV) testing applications, such as Vehicle to Grid (V2G) and Energy Storage System (ESS) validations. The extensive feature set of the Chroma 61860 is not limited to R&D product development; it also plays a critical role in design verification, quality assurance, and production processes. Utilizing cutting-edge digital control technology, the 61860 delivers output voltages of up to 300 VAC with frequency ranges from 30 Hz to 100 Hz. Its AC+DC mode accommodates applications requiring a DC offset bias, enhancing its functional flexibility.
In addition to providing clean, precise, and stable AC voltage for conventional applications, the 61860 can simulate various distorted voltage waveforms and transient conditions essential for comprehensive product validation testing. This capability is facilitated through built-in programmable waveform functions, including LIST, STEP, and PULSE modes. STEP and PULSE functions enable users to perform either single or continuous step changes in output voltage, while the LIST mode allows for composition of complex waveforms with up to 100 sequences. Notably, the simulator can generate voltage waveforms in compliance with immunity specifications such as IEC 61000-4-11, handling short interruptions and voltage dropouts with ease.
The SYNTHESIS function empowers users to create periodic harmonic voltage waveforms with up to 40 orders based on a 50/60Hz fundamental frequency. Furthermore, the INTERHARMONIC function enables frequency sweeps from 0.01Hz to 2400Hz superimposed on the fundamental frequency, assisting in pinpointing resonance points. Precision measurements including RMS voltage, RMS current, true power, power factor, and current crest factor can be accessed effortlessly, showcasing the advanced capabilities of the Chroma 61860.
Key specifications of the Chroma 61860 include:
- Output Frequency: DC, 30Hz-100Hz
- Full 4 quadrant, fully regenerative up to 100% of output current rating
- Specifically designed for PV inverter, Smart Grid, and EV-related test applications
- User-selectable single phase or three phase output
- Programmable slew rate settings for voltage and frequency
- Programmable voltage and current limits
- Turn on, turn off phase angle control
- LIST, PULSE, STEP mode functions for testing Power Line Disturbance (PLD) simulation
- Voltage dips, short interruption, and voltage variation simulation
- Harmonics, inter-harmonics waveform synthesizer
- Comprehensive measurement capability, including current harmonics
- Analog programmable interfaces
- Remote interface: GPIB, RS-232, USB, and Ethernet
- Parallel output for higher power applications (three phase only)
Other models in this series:
- Chroma 61800-100 Regenerative Grid Simulator
- Chroma 61830 Regenerative Grid Simulator
- Chroma 61845 Regenerative Grid Simulator
