הגנה על קווי מתח גבוה באמצעות זרם נישא
HEMELEKH HA'AVAR KURANTI LEMISHMARAT KHAVAYE HA'MASAPHAH
HEMELEKH HA'AVAR KURANTI ME'ATZMEH B'OYFAT YAKHIDAH LE'HITZABERUT KHAVAYOT MASAPHAH MERHOVOT. LO K'METODOT MISHMARAT YESHANOT SHE'MISHTAMEKHOT BE'HAFARASHET QIMUYE KURANTI MA'ALYIM, HAMELEKH ZEH HOFEKH BE'HAFARASHET ANGELY KURANTI BA'SFATIM SHE'L RASHEY HA'KHAVAYAH. AL PI HA'YACHAS SFA'TI, YEUCHAL LE'HARGISH B'EMUNA IM YESH PIGU'AH NIFGA'AH B'TOCH SEGMENT HA'MISHMAR (PIGU'AH PENIMIT) O HIXUTZA (PIGU'AH HITZONIT). SHA'AR HA'QOMONIKATSIAH HA'AVAR, ELEM KLI-YAD SHLIMO SHE'HA'MISHMARAH, YAFELO ARBA'ELEM GDELYIM: METAPEL, KOVEL, EQIPUT TICHBORE U'MOKESH KHAVAYAH.
KOVEL HA'AVAR KURANTI NOSE AHELUT L'QABEL ET HA'AVAR KURANTI SHE'METAPIEL MIN HA'METAPEL SHE'BE'TSOFIT HA'KHAVAYAH. ACHAREI HA'QABALA, HU MECHOVER ET HA'AVAR KURANTI LA'KURANTI YASHIR (DC). HA'KURANTI YASHIR ZEH OVDEH KA'OTEN QONTROL, SHE'YAFELO RELAYS O QIRUKHE ELKTROMESHIYIM AHERIM L'ASOT FUNQSIYOT MISHMARAT MEYUCHADOT. B'NITZAHON, B'EMA YASHIRA SHE'AIN AVAR KURANTI NISQABEL, MATARAFAH HA'QAVOD KURANTI SHE'HA'KOVEL AD SERO, MESHERET 'AL HEFERA BE'SHA'AR HA'QOMONIKATSIAH O AL SHINUI POTENTIAL B'MATEH HA'QSHRAH.
HA'MOKESH KHAVAYAH, SHE'MEKOMMO BE'IN YARDEN VE'HA'QOSHRET SHE'LA'EQIPUT HA'QOSHELET EL HA'KHAVAYAH HA'MASAPHAH, HU RESHUT LC (MAGNET - QOSHELET) SHE'NA'AMUN QODESH L'LEHOTET BE'MEGAMOT RAMOT. HA'PRAKTIQ HA'IKARI SHE'LO HU L'HITZABERET ET HA'AVAR KURANTI TOCH SEGMENT HA'MISHMAR. AZ KEN, HU ME'ATZIL EFRESHUT ME'QANALOT AVAR KURANTI SHKHUVIM, MISHERET BITUL V'EMUNA SHEL PE'ULAT HA'MISHMAR. KOL KEN, HA'MOKESH KHAVAYAH SHAKHEN B'LEHATZIT ET HA'EFRESHUT SHE'HA'OTEN AVAR KURANTI LA'QIRUKHE KHAVAYAH SHKHUVIM, KHEN MECHAZEQ ET HA'EMUNA KULAH SHE'HA'QOMONIKATSIAH HA'AVAR V'HA'FUNQSIYOT HA'MISHMAR SHE'LA'KELEVET.
HEMELEKH HA'AVAR KURANTI: ELEMIM V'OTENOT
EQIPUT HA'QOSHELET OVDEH B'FUNKTSIA DOUBRIT BAMISHMARAT HA'AVAR KURANTI. HI QOSHRAT ET HA'EQIPUT HA'MEGAMOT RAMIM EL EKHAD MI'QONDUCTOREY HA'KHAVAYAH, MENIAH L'HAFKID OTENOT AVAR. B'VETZET, HI MEKHABELA ET HA'EQIPUT HA'QSHA'AH ME'KURANTI HA'KHAVAYAH HA'RAM. B'TOCH MATARAFAH SHE'LA'PE'ULA, HA'KURANTI ELKTROHIT KOLEKHET B'QONDUTOR HA'KHAVAYAH. AVAL B'EMA YASHIRA SHE'HA'AVAR KURANTI HA'MEGAMOT RAMIM, HI MITPA'ERET KOL HA'DEREKH B'QONDUTOR HA'KHAVAYAH SHE'NA'AMUN B'MOKESHIM MEGAMOT RAMIM, OCHERET B'QOSHELET HA'MOKESH V'AZ L'ADAMA.
OTENOT HA'AVAR KURANTI
YESH SEFIROT OTENOT SHE'LA'MISHMARAT HA'AVAR KURANTI, V'SNEI HA'YESODIYIM HEM MISHMARAT HAFARASHET SFA'TIT V'MISHMARAT HAFARASHET ANGELY. HA'OTENOT EILEH MEFARSHIM B'TOFA'AH TA'AMIT:
1. MISHMARAT HAFARASHET SFA'TIT
B'MISHMARAT HAFARASHET SFA'TIT, MEKONEN HA'MISHMARAH AL HAFARASHET SFA'TIT QIMA HA'KURANTI B'EMA YASHIRA SHE'PIGU'AH BA'RASHEY HA'KHAVAYAH. HA'RELAYS HA'MISHMARAT ISHU'IM B'EMA YASHIRA SHE'HA'KURANTI B'KHAVAYAH NOSEH ME'YARDEN EL HA'KHAVAYAH. ACHAREI HAFARASHET HA'SFA'OT, HA'RELAY HA'AVAR QOVEN MASA 'AL EIFO SHE'HA'RELAYS HA'SFA'TIYIM BA'TSOFIT NOTENIM RE'AHA L'EMA YASHIRA SHE'PIGU'AH KURAT.
HA'RELAYS SHE'B'RASHEY HA'KHAVAYAH OVDEH YAHAD L'HITZABERET ET HA'PIGU'AH ME'YARDEN. B'EMA YASHIRA SHE'PIGU'AH PENIMIT, HA'KURANTI NOSEH B'SFA'TIT HA'MISHMAR. EZRAKH, L'PIGU'AH HITZONIT, HA'KURANTI NOSEH B'SFA'TIT HA'NEGED. B'EMA YASHIRA SHE'PIGU'AH, OTEN QASHIR KATAN NOSEH VIA HA'AVAR QOVEN MI'TSOFIT EL TSOFIT. HA'OTENOT MISHMARAT QOVEN SHE'NA'AMUN L'MISHMARAT KHAVAYOT MASAPHAH YAFELO SHNATAYIM YESODIYOT:
HEMELEKH HA'AVAR QOVEN SHE'NOSEL: HUMELEKH ZEH MEKHABEL PEA'ULA SHE'HA'RELAY. HU OVDEH B'LEHATZIT ET HA'PIGU'AH QODEM SHE'TAVO L'SEGMENT HA'MISHMAR. HUMELEKH HA'AVAR QOVEN SHE'NOSEL MESHERET B'EMUNATA, KI HU MISHMERET ME'YAKHILUT HA'EQIPUT MIZUGOT SHE'LO NEEDSHI'IM.
HEMELEKH HA'AVAR QOVEN SHE'METANEH: EZRAKH L'HUMELEKH SHE'NOSEL, HUMELEKH MISHMARAH ZEH METANEH LA'KURANTI SHE'PIGU'AH L'BO L'SEGMENT HA'MISHMAR.
2. MISHMARAT HAFARASHET ANGELY HA'AVAR
HEMELEKH MISHMARAT HAFARASHET ANGELY HA'AVAR MISTAMER AL HAFARASHET YACHAS SFA'TI BEN HA'KURANTI SHE'BA L'ZONE HA'QOVEN U'VEN HA'KURANTI SHE'YOTSEH M'SEGMENT HA'MISHMAR. EZRAKH, EN BO HAFARASHET GDOLOT HA'KURANTI EILEH. HUMELEKH MISHMARAH ZEH ME'ATZIL MISHMARAH YESODIT, V'KEN, YE'ATZAR L'HOSIF MISHMARAH SHMIRET.
PE'ULA V'YAKHILUT SHE'HEMELEKH HA'AVAR KURANTI
HA'TRANSFORMATORIM HA'KURANTI (CTs) SHE'NA'AMUN B'KHAVAYAH HA'MASAPHAH MAFKIDIM KURANTI LA'RESHET. HA'RESHET ZOT MECHOVERET ET HA'KURANTI HA'YOTSEH ME'HA'CTs LA'KURANTI SINUSOIDI EKHAD SFA. HA'KURANTI ZE NOSEH GAFER HA'METAPEL HA'AVAR V'HA'MECHABER. KEN KEN, HA'YOTSEH SHE'HA'KOVEL HA'AVAR KURANTI GAM NOSEH EL HA'MECHABER. HA'MECHABER OVDEH B'IVRAKHUT PE'ULA SHE'RELAY EZRAHI, SHE'BI'TEURA MERGE'A PE'ULA SHE'HA'QATSAH HA'KHAVAYAH B'EMA YASHIRA SHE'ZARICHA.
YAKHILUT SHE'HEMELEKH HA'AVAR KURANTI
HEMELEKH HA'AVAR KURANTI OFSIM YAKHILUT RAHAMIT, SHE'NA'AMUN TA'AMIT:
PE'ULA KLOPFIT V'RAFA'IT SHEL QATSA'OT: EKHAD ME'HA'YAKHILUT HA'YESODIYIM HU HA'KOFACH L'ASOT PE'ULA KLOPFIT V'RAFA'IT SHEL QATSA'OT B'RASHEY HA'KHAVAYAH. HA'PE'ULA HARMONIT ZOT MESHERET SHE'PIGU'OT YEFARSHIM ME'HEREH, ME'ATZIL YAME HA'QSHRAH HA'LO NATURALIT B'EQIPUT HA'ELKTROHIT.
HITZABERUT PIGU'OT EFFIKHENT: HA'SYSTEM OVDEH B'PROSES HITZABERUT PIGU'OT ME'HEREH. B'LEHAFSER ET HA'KURANTI SHE'PIGU'AH ME'HEREH, HU ME'ATZIL TAA'AT KASHA 'AL HA'EQIPUT HA'ELKTROHIT, M'GAYER ET HA'KASHRUT SHE'SHIBRUUT HA'EQIPUT UMESHMERET STABILOTAH SHEL HA'SYSTEM.
QOMONIKATSIAH INTEGRATIVIT: HUMELEKH HA'AVAR KURANTI ME'ATZIL TSORKH L'QISHROYOT QOMONIKATSIAH YAHIDIM. B'EMA YASHIRA, HA'KHAVAYOT HA'QSHA'OT NA'AMUN L'HAFKID KURANTI ELKTROHIT V'OTENOT QOMONIKATSIAH. ZE MITSARER ET HA'TOFA'AH SHEL HA'SYSTEM, MEGAYER ET KOL HASHKA'OT HA'QSHRAH V'ME'ATZIL EFRESHUT SHE'OTENOT MI'MAKOMIM HITZONIM.
PE'ULA ULTRA-RAFA'IT: HU MAFKID LA'QATSA'OT B'RASHEY HA'KHAVAYAH L'PE'ULA B'LO RAK GILGALIM ACHAT SHLOSHA. ZMAN HA'PE'ULA HA'ME'HEREH ZE KASHUR L'MISHMARAT EQIPUT ELKTROHIT MODERNIM KASHURIM V'LOHIM, MESHMERET ET HA'QSHRAH SHEL HA'QSHRAH.
KASHRUT IM EQIPUT MODERNIT: HUMELEKH HA'AVAR KURANTI MESHERET B'KASHRUT GEDOLA IM QATSA'OT KLOPFOT MODERNIM. ZE MEGAYER PE'ULA V'MISHMARAH OSHIR, MESHMERET ET HA'PE'ULA V'HA'MISHMARAH SHEL HA'GRID ELKTROHIT.
TAFNIT UTILITY: HISTORICALLY, TECHNOLOGY POWER LINE CARRIER HAS BEEN WIDELY USED FOR VARIOUS PURPOSES INCLUDING SUPERVISORY CONTROL, TELEPHONE COMMUNICATION, TELEMETRY, AND RELAYING. THIS VERSATILITY MAKES IT A VALUABLE ASSET IN ELECTRICAL POWER SYSTEMS, ENABLING SEAMLESS INTEGRATION OF MULTIPLE FUNCTIONS WITHIN A SINGLE INFRASTRUCTURE.
