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Operating Principle

Schematic diagram

1    Shaft alternator

2    Diodę rectifier

3    lnverter with integrated thyristor protection

4    Synchronous compensator with pony motor

5    Commutation choke

6    Harmonie filter circuit

5~\ S^stemtecnmk Mero. ca".H 5 succes=cr pf ~zZ Var.re 0'v,s;cr.. nas ceen deliver.rg shaft atisrr.aicc s . stems sree 1967 The basie ccncect has remam-ed unc.oanęed. s.nce i: has orcven .is 3Cvantaęes very ;ve!i. !:s mam comccr.ents are snown m che schematic diagram.

The 3c:?ve ccwer er v3riabie rreouency ęeneraced by tr.e synenreneus shaft alternator (1) is red via aicćs recthler 2', mairs-ccntroilea ir,\er:e^,‘ (3! anc ccmnutatcn c.nc.ke 5) to che •T.ains. The rectifier \2) :s mour.ted on too cf tre shaf: siter-r-ater il.> .n a space saying manner. Tr.e frecuency ^;s <spt ccnstam autcmat;cai!y by means of the exc;tat;on cf che shaft aiternater (1) by ecaptation of the active ccwer cutput of the inver:er =‘3) to the respective consumer in the mains. The high sceed thyristor protection system, integrated in the ir.verter (31, protects tr.e inverter fuses even at extreme faults scen as shert Circuit .n the mains.

The synchronous compensator ul) contrcis the voitace bv means of tr.e attached automaoc -/chage regulator aro suppiiss the recuired reactive ccwer for the mains ar.G the ;nverter (3) as wsil as the short circuit current necessany fer ^rKe sel£ccivitv duhng short circuits. The harmonics niter crsuit io) reduces :ne harmonics generated by the .-nver:er O to admissibie leve!s. It ;mproves che efficiency of the snaft alternator system as weil as of the consumers.