We’re going to be talking about how to simulate power line disturbances. Power line disturbances are defined as any variation in the AC voltage, whether it’s the amplitude of the voltage, a variation in the frequency, even the waveform itself. Power line disturbances also have other related terminologies such as Sag, Surge, Harmonic, Inner Harmonic, Transients, and Noise. Sag, Swell, Outages, Short Interrupts all relate...
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I’m going be covering something referred to as solar array simulation, and it’s used when testing PV inverters without having to use an actual solar panel or solar array as the input power. We do it by incorporating into a DC power supply, a method of simulating an actual solar array. A typical or equivalent circuit is what you see in Figure 1. There are...
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Don’t miss a video! Subscribe to YouTube I’m going to be demonstrating the ability to connect Chroma’s 63800 single-phase AC loads in parallel for both single-phase and 3-phase applications. For this demonstration, I’m going to be using three 63800 AC loads as well as the Chroma 61509 3-phase AC source. To use these units in the master-slave mode we use the provided system bus cables...
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Don’t miss a video! Subscribe to YouTube I’m going to be talking today about the Chroma 66205 Digital Power Meter and specifically, the ability for it to measure harmonics. Chroma designed this unit to meet the IEC 61000-4-7 standard, and that standard defines what the equipment capabilities must be when testing devices for IEC 61000-3-2. It’s a nice, small compact unit. It has four, big...
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