2012
DOI: 10.1109/tia.2012.2221072
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Regenerative Testing of a Concentrated-Winding Permanent-Magnet Synchronous Machine for Offshore Wind Generation—Part I: Test Concept and Analysis

Abstract: Some high-torque electric machines, such as lowspeed wind generators, may be very difficult to test on load because of the large and expensive mechanical equipment required to load them (motors) or to drive them (generators). In this paper, a full-load regenerative testing methodology is described which does not require any rotating equipment to be coupled to the machine where the rated active power flows in a closed loop between the machine and a suitably connected dual-stage converter. The successful applica… Show more

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Cited by 40 publications
(53 citation statements)
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“…After describing the physical testing arrangement and equipment, measurement results are reported and compared with theoretical predictions presented in Part I [3]. A good matching between experimental and theoretical results is found.…”
Section: Introductionmentioning
confidence: 83%
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“…After describing the physical testing arrangement and equipment, measurement results are reported and compared with theoretical predictions presented in Part I [3]. A good matching between experimental and theoretical results is found.…”
Section: Introductionmentioning
confidence: 83%
“…In fact, since no brake or prime mover is involved, it is possible to swiftly move from one operating point to the other by only acting on converter controls: To change the speed, the set point of the inverter stage (which is operated in speed control mode [3]) is modified; whereas to change the load, one needs to adjust the reference torque of the rectifier stage, which works in torque control mode [3]. Any operating point can be stably maintained until the required recordings are taken with measurement instrumentation to achieve a full machine performance characterization for all the possible speed and load combinations within design limits.…”
Section: A Operation At Different Speeds and Loadsmentioning
confidence: 99%
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“…In the presence of multiple saliencies, the NSC response is a sum of all saliency responses, as expressed in [17] i s dqc = I cp e j(ω c t−π/2) + i I cni e j(−ω c t+h i θ e +ϕ i −π/2) (6) where i = 1 …”
Section: Multiple-saliency Modelmentioning
confidence: 99%