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Given the diverse functional requirements of the grid's protection system, testing capabilities require a new level of sophisticated test hardware and software with which to analyse the entire protection system's (or individual protection component's) operation in "real life" situations. It is further necessary that these expanding testing capabilities be met with a similar improvement in the simplification of a test instrument's user interface and software control. Rest assured that every facet of relay testing, no matter the complexity, can be handled simply with the comprehensive line of Relay Test Set(VS-JB Series) from Weshine. Moreover, whether you are testing legacy electromechanical relays or modern IEC 61850 networked devices , our rugged products output the high power you need while still being portable for real world testing.
Weshine developed the first software-driven protective relay test system in 2013, and we continue to provide models ranging from computer-controlled (with comprehensive yet simple, built-in, touch screen user interfaces) to manually operated test sets in portable and laboratory styles for every relay testing need. Relay test solutions may be expensive propositions when software is charged separately but with Weshine solutions, the software required to test most relays is included with the test set so you don't incur additional expenses.
Our rich legacy in manufacturing relay and primary injection test solutions is nurtured by the company's extensive relay testing experience. This experience also fuels the success of our worldwide support system - always here to help you wherever you are!
VS-JB-III Relay Protection Tester is another new type of relay protection test equipment developed by our company, in recent years according to user opinions continue to improve, optimize, so that it achieves the best use of the results. The device is small in size, light in weight, beautiful in appearance, rugged and has two electricity outputs at the same time. It has a built-in 0.5-level digital instrument, high-precision transformer, DC measurement as a true effective value, and built-in five-digit digital stopwatch, to meet the requirements of time measurement, is a good tool for relay protection staff to work outside the office.
The instrument is divided into I and II circuits, and I-road is divided into AC output and DC output. When the output AC volume is required, place the "I-way AC switch" at the "I" end, when the output direct flow is required, place the "I-way DC switch" at the "I" end, and then adjust the I-way regulator knob to output seven types of power.
Select a different gear via the Select button to monitor the various levels of charge (but when switching the select ammonium button, switch off all the I-way switches before you can select, otherwise the gear will not change). The digital voltage/current meter automatically monitors the output value of the instrument as it switches one output. If selected incorrectly, the output may not be affected in one gear, but will result in an incorrect header reading. The road is controlled by the "II way" output switch and the output is directly adjusted by the II-way regulator, and the measurement can be measured by an external meter.
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