Emerson 200I/48-NT5C05C user manual Operation, Standard settings

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5. Operation

5.1.Standard settings

The parameters of the NT5C05CA / CB / CC rectifiers are set as indicated in Table 15. For different settings refer to User Manual Voltage_level entitled Voltage Level Limits for Power Plants, Rectifiers and Controllers.

Table 15 - Standard settings for the rectifier

Parameter	Setting
Rectifier float output voltage ( FLOAT )	52.1 ±0.1 V dc
Rectifier equalize output voltage	52.8 ±0.1 V dc
( EQUALIZE )
Rectifier high voltage shutdown threshold	56.5 ±0.1 V dc
Rectifier output current limit	205 A ±5 A
Rectifier start delay	4 sec
Low ac input disconnect	330 ±5 V ac
Low ac input reconnect	350 ±5 V ac

High ac input disconnect	475 ±5 V ac
High ac input reconnect	460 ±5 V ac
Load sharing method	Slope

Emerson Energy Systems

Rectifier 200I/48 NT5C05C Installation and User Manual

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Contents Helios Modular Switch Mode Rectifier 200I/48 NT5C05C Page Emerson Energy Systems Page Publication history This page is left blank intentionally Contents List of Procedures List of FiguresList of Tables Ac female plug in a 1200 a cabinet This page is left blank intentionally Purpose of this manual General informationTypical mounting in a cabinet or frame Models and mounting configurationsMechanical and electrical specifications SpecificationsOperation specifications and ambient conditions Conditions Ambient conditions for the rectifier OperatingTransportation Storage conditionsMechanical specifications of the NT6C43CB 1200 a cabinet Ambient conditions of a 1200 a cabinetOutput voltage Mounting configurations InstallationTools and test equipment Protecting the premisesPreventing damage caused by over-tightening Personal safety and protecting the equipmentPreventing personal injury Optimizing the life of the equipmentProtecting against electrical shocks Installing in a cabinet Installing in a frameProcedure 1 Installing the rectifier in a frame Step Action Short circuit hazardAnchoring the cabinet Procedure 2 Installing a rectifier in a cabinet Step ActionInstalling the rectifier Cabling and connectingConnecting the dc output terminals to the busbars Electrical connections should meet standards Connecting ac to the rectifiersHazardous potentials Cabling ac the NT5C05CA / CB rectifiers Connecting ac to the rectifier NT5C05CC Controller NT NT6C25BA or NT6C25BB Connecting the control signalsPin assignment for connectors J7 to J12 Monitoring of the shunt currentFunction Input/ Output Pin assignment for connector J13 Function Functional description Overview Input circuitOutput circuit Output capacitors Monitoring and control circuitsDescription of the front panel Breakers DC circuit breaker AC breakerFront panel controls and LEDs Switches, controls and LEDsFAN ALM fan failure alarm CL current limit indicatorFront panel LEDs AC on ac voltage monitoringSEN Fail sense fail alarm RFA rectifier failure alarmLocal and remote adjustments and controls Hvsd high voltage shutdownSwitches Description Rectifier input / output signals to the controllerDesignation Description Remote equalize control EQL Volt / AMP digital meter switchSlope sharing SLS Rectifier parallel operationForced sharing FS Remote Hvsd Local and remote Hvsd resetSwitch Position Delay SEC Setting the start-up delayStart up delay DIP switch Control signals on connector P1Remote on / OFF control TR CB OFF NC This page is left blank intentionally Standard settings Standard settings for the rectifier Parameter SettingOperation Starting up and adjusting Procedure 9 Starting up the rectifier Step ActionAdjusting the high voltage shutdown Hvsd Adjusting the equalize voltage EQL Adjusting the slope shareVerifying the current limit Adjusting the forced load sharing Maintenance Replacing the air filterReplacing the fan unit Calibrating the Volt / Amp Multimeter Preventing short circuitsRe-assembling Remotely Resetting the rectifier after an Hvsd high voltage shutdownThis page is left blank intentionally Diagnosing system faults Fault symptom Possible causes TroubleshootingTroubleshooting Part Number CPC Appendix a Replacement partsAppendix a Recommended Replacement Parts Appendix B Technical service assistance Local toll-free prefixesCountry Prefix Toll-free technical assistance numbers United States Canada Europe Asia and the PacificCaribbean and Latin America Middle-East Cala Abbreviations and acronyms RFA Page Helios Modular Switch Mode Rectifier 200I/48 NT5C05C