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whgdmk12345
1098 Messaggi |
 Postato il 04/29/2022 : 03:47:00
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https://www.mktester.com/relay-protection-tester/digital-three-phase-shifter.htmlOverview#65306;
The digital three-phase shifter is a portable electrical tester composed of transformer phase shifter, digital phase display, voltage current digital display, output voltage adjustment, coarse adjustment, fine adjustment, and power supply, etc. The digital three-phase shifter combines the transformer phase phase technology with digital measurement techniques, which can be adjusted at any angle in the range of 0 to 360 °, which has high precision, reading. Accurate intuitive, the voltage output is adjustable, the digital three-phase shifter structural components use independent fixtures, firm and reliable, full seals, easy to carry in the field and on-site use.
Technical parameter#65306;
Input voltage Three-phase four-wire 3 × 380 (220) V 50Hz
The output voltage Three-phase four-wire 3 × (0 ~ 380) / (0 ~ 220) Triple semi-digital display, accuracy: level 1
Output current Communication 0 ~ 20A Triple semi-digital display, accuracy: level 1
Maximum output capacity 3×300VA
Three-phase coarse Ambient temperature: 0 ° ~ 360 ° Move 30 ° per step
Three-phase fine -3°#65374;18°#65292;12°#65374;33° Four digits display, accuracy level 1.0
Voltage fluctuation Rough adjustment: #8804;1.5% Detonometer: #8804; 2.0%
Waveform distortion Output waveform distortion #8804; input waveform distortion
Hestledge #65308;60 #8451;
Insulation resistance #8805;22M#937;
Pressure test 1.5kV/min
Use environment Temperature: -10 ° C ~ 40 ° C Humidity: <80%
Dimensions (length × width × height) 480×360×230mm3
weight About 35kg
Function#65306;
1. The digital three-phase shifter can reach an advance or hysteresis shift phase of any angle within 0 to 360 degrees;
2. The digital three-phase shifter uses three-phase three-core column transformer, Y0 wiring method, each with four equilateral windings, intersecting different angles, forming a hexagon connected to the corner, The six sides have a total of twelve taps, namely the twelve gears, 30 degrees per gear, three-phase synchronous adjustment, fine adjustment consists of three coaxial autographs and capacitors, so that the output three-phase is in the range of 0 ~ 360 degrees. Synchronous adjustment to ensure the balance of the three-phase output;
3. The digital three-phase shifter has the characteristics of convenient operation, small size, low noise, and good output waveform. It can meet the single-phase and three-phase AC power, phase and other instrumentation test verification, and the test verification of the meter, etc. Among the calibration devices for the electric meter.
Progressor working principle:
The phase shifter working principle is to move the phase of the signal one angle. The working principle of digital three-phase shifter is different depending on the configuration. For example, in the transistor circuit, a control signal can be added to the circuit input to control the phase size, and in some circuits, the delay of the blocking circuit reaches the phase, and the internal timer can be achieved by the internal timer. Purpose. The phase shifter can be adjusted in any angle in the range of 0 to 360 °, high precision, stable data. |
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Digital Three-phase Shifter
