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Usměrňovačové systémy DC-Měniče Střídače UPS systémy ...

Vydal: BENNING CR, s.r.o. Autor: BENNING

Strana 77 z 247

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The discharge current preset and generally the rectifier rated current (range adjustment 100 %). Battery capacity test The battery capacity test started manually. The test stopped automatically deep discharge voltage 1. the load current is smaller than the desired discharge current, the TRANSOTRONIC makes the difference backfeeding the battery energy into the mains. Automatic charging The TRANSOTRONIC controller operates automatically. the discharged energy fed back into the three-phase mains.s TR ANSO TRO IC versatile automatic control and monitoring concept t ■> The TRANSOTRONIC rectifier consists the following main components:__________________ • Mains input with fused isolator and mains contactor • Input isolation transformer • Power block with IGBT semiconductors • Controller with preset default values Digital monitoring Door mounted control and monitoring panel Rectifier output fused isolator (with solid links) Battery output with optional fused isolator A boost TRANSOTRONIC-internal view Output characteristic The output characteristic the TRANSOTRONIC rectifier is an curve (according DIN 41773) for standby parallel operation with NiCd lead acid batteries (fig. 3). the error acknowledged, by operation the RESET key further test will carried out as recheck. The change-over from boost float and vise versa occurs auto­ matically dependent the battery voltage and current, thus enabling faster recharge. For initial charging equalize charging, the output characteristic can be switched characteristic. The equalizing charge facility is operated manually. Battery-circuit test The TRANSOTRONIC includes the important function an automatic battery circuit test.e. The battery capacity test can take place with without load connected. The control and monitoring concept the TRANSOTRONIC series incorporates the following important functions:____________________________ Soft start without Inrush current When restarting the rectifier after power failure the starting current the transformer limited the rated current and inrush current avoided. decreasing the TRANSOTRONIC output voltage small current taken out the battery. With this test, a constant current discharge the battery with mains back­ feed carried out i.8 V/c (adjustable). the battery does not supply this current, battery error message with common alarm indicated. . The TRANSOTRONIC reduces its output voltage that the connected load supplied the battery