Next-generation load device "LCR load device" that realizes the efficiency of solo driving tests.
This is an LCR load device that can be used for tests specified in the "Individual Test Methods for System Interconnection Protection Devices."
This is a single-phase three-wire alternating current load device that supports various tests as LC loads and R loads. It is also possible to configure test equipment linked with other measuring instruments and power supplies through computer control. By using our developed products such as the grid connection test software (sold separately) and the power conditioner evaluation system (PVU01403), automatic grid connection testing for solar power system power conditioners can be conducted.
basic information
【LC Load Device】 ● Lineup of 2, 4, 8, 12 [kVar] (capacity customizable) ● Capable of adjusting reactive power in 1 [Var] increments ● Quantitative adjustment of leading/lagging reactive power ● Output status can be obtained as data ● Composed solely of passive components, not electronic loads, as an accurate reactive power load 【R Load Device】 ● Lineup of 2, 4, 8, 12 [kW] (capacity customizable) ● Capable of adjusting load values in 1 [W] increments ● Allows for quantitative testing without manual operation ● Measures AC voltage, current, and power with a panel meter and obtains output status as data ● Equipped with safety features such as temperature abnormality stop function and overvoltage protection function
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Applications/Examples of results
Automatic implementation of grid connection tests for solar power generation system power conditioners. *Using our developed products such as grid connection test software and power conditioner evaluation system (PVU01403).
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The email newsletter "Epsilon Communication Issue 45" has been distributed.
Thank you for your continued support. This is Nippon Kernel System Co., Ltd. We are sending you the 45th issue of the Epsilon Newsletter along with information on recommended pavilions for the Osaka-Kansai Expo from our employees. The distribution is later than usual due to last week's summer holiday period. ─▼──────────────────────────────── Table of Contents [1] A new automatic testing system has been completed [2] The catalog for "R Load Device and LC Load Device" has been updated [3] Editor's Note ─▲──────────────────────────────── You can view the continuation on our company website.
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The R load device and LC load device catalog has been renewed.
We have renewed the product features and applications to make them easier to understand, so please take a look. ーーーーーーーーーー This is a next-generation load device composed solely of passive components (resistors, reactors, capacitors) that allows for the setting of active/reactive power (leading/lagging). By connecting a computer software to a power meter, constant power control is possible even when the voltage changes. In evaluating power supplies and measuring instruments (such as power conditioners, UPS, power factor transducers, etc.), tests can be conducted without worrying about control resonance or load responsiveness that may occur when using electronic loads. Additionally, when evaluating power conditioners, using our grid connection testing software in conjunction allows for automatic execution of everything from load adjustment for anti-islanding tests to test implementation and report generation, significantly reducing the man-hours required for testing.
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Since the time of the Sunshine Project at the current Ministry of Economy, Trade and Industry, we have developed simulated power sources, measuring instruments, power conditioners, and more, in response to requests from organizations such as the National Institute of Advanced Industrial Science and Technology, the Central Research Institute of Electric Power Industry, and Tokyo University of Agriculture and Technology. Based on these achievements, we have commercialized our products and expanded sales to various research institutes and manufacturers, proudly positioning ourselves as a niche leader in this field. We specialize in the development of products and systems that combine hardware and software, including simulated power sources such as solar cells and storage batteries, load devices necessary for grid connection testing, and testing systems that operate these components collectively. We also have extensive experience in solar cell measurement, and our I-V curve tracer is widely used not only for the maintenance of solar power plants but also for research and development purposes at manufacturers, research institutions, and universities. We have numerous delivery records of automated measurement systems that incorporate measuring instruments and load devices. Development of power electronics equipment that combines analog and digital technologies, development of control software using DSP, and construction of PV measurement systems are among the services we offer, tailored to meet our customers' needs.