Rectifier Sample Clauses

Rectifier. The rectifier shall be used to supply power to the static inverter. The voltage regulation shall be less the ±1% from no load to full load with a ±10% variation in supply voltage. The rectifier shall function as specified with a ±3% variation in supply voltage frequency. In the event of rectifier failure, the first alternate transfer will be to the station battery supply.
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Rectifier.  Incoming AC supply shall be converted to DC through phase controlled rectifier. The rectifier shall operate according to the constant voltage current xxxxxx principle and shall incorporate a “Soft Start” feature to gradually accept load on initially energizing.  The rectifier section of the UPS system shall be capable of precise regulation to prevent damage to the battery. The output voltage of rectifier„s DC bus without the battery shall be stabilized to within +/- 1% of set value during load variation between 0 to 100% of the rectifier and specified mains input supply voltage variation.  Transient / surge protection circuit shall be provided in the input circuit to rectifiers to protect the UPS from surges & voltage spikes.  The UPS system shall be designed to draw power from the mains supply at a minimum power factor of 0.9 while working at rated load in normal operating UPS configuration.  Facility for initial charging of batteries shall also provide. The inverter shall be disconnected during initial charging of the battery.  The rectifier / charger shall be designed to completely charge the battery in a maximum time of 10 hours after complete discharge. Facilities shall be provided to initiate battery rapid charge operation by Manual & Automatic means. An auto charging sequence should be provided for the rapid and floating charging based on current sensing.  Facility shall be provided to enable testing of rectifier independent without disconnection of inverter.  The rectifier shall be sized based on the maximum inverter input load when inverter is delivering its rated output at 0.8 p.f. lagging + recharge the battery to nominal rated capacity of the battery.  The DC rectifier shall sense the battery charging current and adjust the DC bus voltage to maintain the charging current to pre-set level. A separate current limit circuit shall be provided for adjustment of battery current.  The rectifier shall be protected against Reverse battery connection at DC link voltage bus. Subsequent to a discharge cycle when battery is connected to rectifier, the battery current shall be monitored, controlled and limited to set value automatically irrespective of the inverter input current.  The battery may be taken output of service for maintenance, during which period it shall be possible for the inverter to continue operation by drawing power from the rectifier. Ripple content at the DC link shall not exceed 2% RMS even with battery disconnected. Battery...
Sample 1
Rectifier. Every person who rectifies, purifies, or refines distilled spirits or wines by any process other than by original and used in distilling shall be deemed a manu­ facturer of stills. Sec . 3270,1. R. C. Reg is t r a t io n .
Sample 1

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