Masu gabatar da amsa zuwa masu yin abincin karamin kula da na'ura

Daga cewa ZnO surge arrester yana da shirya bayan konsayansar noma da breaker?
An shirya ZnO surge arrester don bincike tsarin hanyar da ya faruwa a matsayin abubuwan hankali, kuma haka na iya ba da dalilai masu tattalin arziki da suka sami.

Me wani shine maimakon energy meter da power meter?
Power meter yana nuna zama-zaman power ta fuskantar ko kafukan, amma energy meter yana rarraba jami'a na energy da aka fito, gaishe, ko kafuka a lokacin da dama.

Me suna nau'in muhimmanci ga batari a matsayin parallel connection?
Batari da ake shirya a matsayin parallel yana da buƙata masu electromotive forces (EMF) sama; amma idan EMF mai yawa zai faɗa waɗanda masu EMF mai kadan, zai faɗa internal circulating currents. Kuma har zuwa batari yana da sama internal resistance don bincike faɗa currents mai yawa. Batari da dama daban-daban ba sa shirya a matsayin parallel ba.

Me shine ma'adani na central signaling device?
Central signaling device yana bincike tattalin arziki na zaɓi na electrical equipment a substations kuma yana bayar audio da visual alarms tun daga siffofin fault. Wannan yana taimaka masu shugaban zamani da yake samun ingantaccen bayanai, karatu mai sauƙi, kuma bincike tattalin arziki na zaɓi.

Mene ne konsayansar noma yana iya haɗa da voltage bayan inda ake shiga?
Konsayansar noma yana haɗa da residual charge bayan inda ake shiga, wanda yake iya haɗa da potential difference da ground. Yana da kyau a ƙara wannan residual voltage kafin a tabbatar da cewa konsayansar yana ƙanan.

Me shine internal overvoltage?
Internal overvoltage yana faruwa idan system yana ƙarfin halayi (saboda abubuwan hankali, faults, ko wasu sababi) kuma yana ƙarfin daga wata stable state zuwa wata. A lokacin wannan transient process, dangerous overvoltage zai faruwa saboda oscillations da energy accumulation a cikin system.

Me shine ma'adani na equalizing ring a 220kV valve-type surge arrester?
Equalizing ring yana bincike uniform voltage distribution a cikin arrester.

Me shine protective grounding, kuma me ne abubuwan fadada?
Protective grounding yana haɗa da connecting normally non-energized metal parts of equipment directly to the system ground. Wannan ƙungiya yana bincike tattalin arziki masu mutum tare da bincike electric shocks.

Me shine ma'adani na high-voltage circuit breaker?
High-voltage circuit breakers zai iya ƙara da kuma kasa load and no-load currents a lokacin da yawa. Idan ana fault a system, suka yi ƙara fault currents da ƙarin sauƙi, kuma yana bincike tattalin arziki na system.

Me shine ma'adani na high-voltage circuit breaker?
(Note: Wannan tambaya yana duba da tambayar 9.)
High-voltage circuit breakers zai iya ƙara da kuma kasa load and no-load currents a lokacin da yawa. Idan ana fault a system, suka yi ƙara fault currents da ƙarin sauƙi, kuma yana bincike tattalin arziki na system.

Me shine terminal voltage na batari kamar yadda ake shirya a float charging system?
Don bincike fully charged state, har zuwa batari a system yana da kyau a ƙara float charge voltage da 2.15V per cell.

Mene ne DC insulation monitoring device yana da kyau?
Ground fault mai tsawo a DC system ba a yi so ba, saboda idan akwai ground fault wata a wata pole, zai iya haɗa da malfunctions a signaling, protective relays, da control circuits. Kuma idan duk biyu poles suka ƙara, zai iya haɗa da short circuit.

Me shine float charging?
Float charging yana haɗa da using two charging units: primary charger da float charger. Float charger yana ƙara self-discharge of the battery, kuma yana bincike batari bank ta ƙara fully charged.

Me shine ma'adani na wave trap (blocking device)?
Wave trap yana da muhimmanci a high-frequency communication component for carrier communication da high-frequency protection. Yana bincike high-frequency currents daga leaking into other branches, kuma yana ƙara high-frequency energy loss.

Me suna abubuwan da ake gani a lokacin da system yana ƙarfa?
A lokacin da system yana ƙarfa, ake gani abubuwan: