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कृपया एक क्षण ...
Restoration Work At Panauti HPS - Part II(b)
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Tue, 7 Sep 2010 07:15:20 GMT
- Our Engineers have successfully tested and installed Float cum Boost Battery Charger for the battery bank at Panauti Hydro Power Station.
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Technical Specifications for Float cum Boost Battery ChargerS.N.NameSpecification1TypeMicroprocessor Control, Float cum Boost charger2Applicable StandardIEC 60623 or IP 313AC Input3 Phase, 415VAC ±10%4AC Input Frequency50Hz ± 6%5DC OutputVoltage 110 V Nominal; Current 200A6Float ChargeAdjustable 75% to 125%7High Rate ChargeAdjustable 75% to 135%8Current LimitAdjustable 0% to 100%9Voltage RegulationStatic ±1%
Dynamic ±5% Recovary 70 ms to 250ms10Current Regulation±1% at current limit11Charge CharacteristicsConstant Current/Constant Voltage IU as per IEC 478-112Dielectric Strength2000VAC/1 minute input/output to ground13Insulation Resistance10 Mohm 500 VDC input/output to ground14Ripple VoltageCharging Rating 2.5% rms Typical 5% rms Max Battery
Disconnected15ProtectionAC and Dc Voltage Surge Suppression
Slow Start Function
Short Circuit Proof
Current Limit at 100% Inom
Internal DC Fuses
AC Input MCB
DC Output Fuse16Basic System Specification and ConfigurationSystem Configuration Consists of Basic
Microprocessor Rectifier
MCB-AC Input
MCB-DC Output
Battery Fuses17Display LCDBright 2 line Dot Matrix 16 character display with back light
system parameters :-
Measured and Calculated
Charging Mode – Status and elapsed time
Alarm Massages
Massage while settling alarm or system parameters18Metering LCDAC Main Voltage
Rectifier DC Output Voltage
Rectifier DC Output Current
Load DC Voltage
Load DC Current
Battery Current19Accuracy LCDVoltage 1.5%
Current 1.5%20 Status Indicators Panel Two bright LED's on the front below LCD screen
Red LED Fault
Green LED System OK21 Display Control Panel Three Menu Driven Membrane
Switches/Keys below LCD screen22 System Control Rectifier on/off by MCB located inside the rectifier
Constant Voltage Charging with user selectable limit for
Float and High rate
Adjustable Current Limit Setting
Alarm Reset – Local
Manual Voltage and Current Adjustment
Auto/Manual High Rate Charge
Auto Switching to High Rate Charge
Auto Switching to High Rate after battery discharge
Auto Switching back to Float battery is fully charged at
High Rate
High Rate Charge can be activated manually at any time.23 Temperature Operational 0 to +40 Deg C
40 to 55 Deg C Derate output current by 1.25% per Deg C
above 4024 Acoustic Noise 45-65 dBA 25 Cable Entry Bottom 26 Ventilation Forced Fan Cooling 27 Access Front 28 Color RAL 7035 Light Grey 29 Door/Side Panels 1.5mm sheet steel epoxy powder spray coated