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DVF-011過載,斷路,反轉(zhuǎn),漏電保護繼電器

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DVF-011過載,斷路,反轉(zhuǎn),漏電保護繼電器

詳細(xì)介紹

The synchroscope(Type DVF-011) is designed to detect dynamic phase angle and frequency between two isolated power sources.

Detecting media is twinkling light of LEDs which are arranged in a circle on the face of the scope instead of a mechanical needle.
It can be installed on flush mount in front of panel or cubicle. Rated input voltages from two sources are AC110V, single phase. Clockwise rotation(FAST) shows higher frequency of starting generator(bus) than the system-bus-frequency and counter-clockwise rotation shows lower frequency of starting generator than the system-bus-frequency.

A red LED which is twinkling in a flash shows the phase-angle-difference between two sources. Counter-clockwise shows lower frequency of starting generator(bus) than the system-bus- frequency. Higher or lower circling speed, bigger or smaller frequency difference between starting generator(bus) and the system bus.

The synchroscope is applied to tie two or more generators into a power system.
For paralleling isolate power system, it is essential that phase angle, frequency and voltage of two systems should be matched. Since the scope does only detect phase angle and frequency difference, it needs two volt-meters for volt comparation in the system, additionally.

The details content Guide DownLoad.

Type	DVF-011
Input Phase	Single phase
Rotating Media	Optic LEDs
Frequency	50/60㎐
Rated Voltage	AC 110V±20% , 6VA
Dielectric Withstand	2㎸ for 1 minute between all terminals and case earth
Insulation resistance (500V)	>100㏁
Surge transient withstand	5㎸ 1㎒/200Ω
Electromagnetic Interference	5W-Transceiver 150㎒, 400㎒ 0.3m
Contact	10A 110V AC (cos = 1.0) 10A 30V DC (L/R =40㎳)

3Phase Overcurrent Relay
3Phase Voltage and Frequncy Relay
3Phase Reverse Power Relay
3Phase Fail Relay
3Phase Sequence Indicator Relay
Single or 3Phase Synchroscope

contents: The synchroscope(Type DVF-011) is designed to detect dynamic phase angle and frequency between two isolated power sources. Detecting media is twinkling light of LEDs which are arranged in a circle on the face of the scope instead of a mechanical needle...