VOLTGUARD BASTION

Industrial AC UPS (10 to 1200kVA)

VOLTGUARD BASTION

VOLTGUARD BASTION Series Low Frequency Industrial UPS is a configurable uninterruptible power supply (UPS) system that offers true industrial modular architecture and maximized power performance. It combines conservative design (SCR) with battery management system and proven digital control to ensure the utmost reliability in any electrical and environmental conditions.

The system consists of rectifier/ charger, inverter, static bypass, maintenance bypass, rectifier isolation transformer, inverter isolation transformer, bypass line isolation transformer, automatic line stabilizer, DC distribution, AC distribution, controls and monitoring. The AC output of the inverter is connected to the critical load, the storage battery is connected between the inverter input and rectifier/ charger output through a battery isolation MCB. The normal AC input power is connected to the rectifier; the bypass circuit also takes power from the same power source to provide power for the critical load during bypass operation when the system is in maintenance mode.

GENERAL
ModelVOLTGUARD BASTION
Capacity10kVA-1200kVA
TopologyDouble Conversion Online System with Output Isolation Transformer
ControlMicroprocessor Controlled System
RECTIFIER
Isolation Transformer (OPTIONAL)Galvanically Isolated
Nominal Input Voltage110 VAC /208 VAC /  220 VAC / 230 VAC / 240 VAC / 380 VAC / 400 VAC / 415 VAC / 480 VAC ±15%(1 phase or 3 phase)
Nominal Input Frequency50Hz / 60Hz ±5%
Input PF≥ 0.8 Inductive (6 Pulse) ≥ 0.9Inductive (12 Pulse) ≥ 0.95 Inductive (12 Pulse with active harmonic elimination)
Total Harmonic Distortion (THDi)≤ 30% (6 Pulse), ≤ 10% (12 Pulse), ≤ 5% (12 Pulse with active harmonic elimination)
BATTERY
Nominal DC Voltage110 VDC / 125 VDC / 220 VDC / 230 VDC / 240 VDC / 360 VDC / 384 VDC / 432 VDC / 480 VDC
Battery Charging PrincipleConstant Current / Constant Voltage
Boost Charge Voltage (V/Cell)2.4 Lead Acid Battery 1.60 NiCd Battery (Based on battery brand and type)
Float Charge Voltage (V/Cell)2.23 Lead Acid Battery 1.40 NiCd Battery Based (Based on battery brand and type)
INVERTER
Topology3 Full Bridge 6 high Frequency IGBT Inverter Modules (3 Phase); 1 Full Bridge 2 high Frequency IGBT Inverter Modules (1 Phase)
Isolation TransformerGalvanically Isolated (standard)
Power Factor0.8 / 0.9
Nominal Output Voltage110 VAC /208 VAC /  220 VAC / 230 VAC / 240 VAC / 380 VAC / 400 VAC / 415 VAC / 480 VAC ±15%(1 phase or 3 phase)
Voltage Tolerance Static± 1%
Dynamic with 100% Load Change± 10% in 50 msec.
Overload
100%-110%, 5 hours
110%-125%, 10 min
125%-150%, 1 sec
WaveformPure Sinusoidal
Total Harmonic Distortion (THDv)
< 3%, at linear load
<5%, at non-linear load
Crest Factor3 : 1 (1 second)
Nominal Output Frequency50 Hz / 60 Hz ±0.1%
Switching Frequency16 kHz/ 8kHz /4kHz(Different power, Different frequency)
STATIC BY-PASS
TopologyUninterruptible static switch with back-feed protection
Bypass SystemNo break semiconductor thyristor – thyristor
Isolation Transformer (OPTIONAL)Galvanically Isolated
Nominal Frequency50/60 Hz ± 2%
Inverter/Bypass Transfer Time
Inverter failure: Max. 5 msec.
Overload or manual transfer: 0 msec.
Bypass/Inverter transfer time: <4 msec.
MECHANICAL BY-PASS
TopologyMake before break mechanical switch with locking system
SYSTEM
Efficiency
AC Mode: 90%
Battery Mode: 92%
ECO Mode: 99%
MCCB and Fuse
Input MCCB, Output MCCB, Battery Fuse, Bypass MCCB, Maintenance bypass MCCB, Battery MCCB (Optional)
(Small capacity UPS using MCB)
MeasurementsLCD Display for Line Voltage / Frequency / Current ,Battery Voltage / Current, Battery SOC, Output Voltage / Frequency / Current
Protections
Input: Input High Voltage, Input Low Voltage, Input Frequency Failure,Phase Sequence Fault (3 Phase),Soft Start, Over Temperature Protection   
Battery:  L-C filters, charge current limited
Output: Short Circuit Protection, Over Voltage Protection, Under Voltage Protection, Over Current Protection, Over Temperature Protection    
LCD AlarmDisturbances on bypass line, By-pass manual, Maintenance bypass MCCB close, Cable defect in parallel, Bypass votlage failure, Bypass MCCB open, SCR fuse failure, Mains voltage failure, Input frequency error, Input MCCB open, Battery Low voltage, Battery discharge, Battery MCCB open, Output overload, Internal fault (Including auxiliary power supply, IGBT, SCR and other internal circuits)
Alarm ContactsLow Battery, Mains Input Normal / Failure, Charger Failure, Overtemperature, Charger Overvoltage, Load MCB ON/ OFF, Battery MCB ON / OFF, Earth Fault(OPTIONAL);
Adjustable ParametersBattery number, Boost Charge Voltage, Float Charge Voltage, Battery Charge Current, Battery Ending Voltage, Password;
UPS Mode (UPS, ECO, Bypass Inhibit), DC Cut off, Low Battery Level, Output Voltage Adjustment, Auto Start ON/OFF, Date, Alarm Sound ON/OFF, Password
CommunicationRS 485 / RS 232(standard)/ (OPTIONAL) Ethernet Ports, Modbus, Profibus, SNMP, TCP/IP 
Paralleling (OPTIONAL)Parallel Redundancy 
SAFETY & ENVIRONMENT
Electrical StandardsIEC 62040-3 (Performance), EN 50091-1 (Security) / EN 50091-2 (EMC)
Over Voltage ProtectionIEEE 587 4500 A, 110 Joules (standard) / 40kA Surge Arrestor (OPTIONAL)
Electrical Interference ReductionFCC Part 15 Class B
Protection Level / ColorIP 20 / RAL 7035 (Standard), (Higher IP rating and different colors are available, please consult)
Enclosure MaterialMild Steel, Cold rolled steel plate spray coating, galvanized sheet; 1.2 mm thickness
CoolingForced Fan (Standard)
Cable EntryBottom (Standard) / Top (OPTIONAL)
Heater & LightingOPTIONAL
DistributionOPTIONAL
MTBF200,000 hrs. (without battery group)
Operating Temperature-10 / +40 °C. (Higher operating temperatures are available, please consult)
Relative Humidity0 – 95 %(non-condensing)
Operating AltitudeMax. 4000 Mt. (Higher altitudes requires de-rating, please consult )
Noise Level Max. 60 dB
GENERAL
ModelVOLTGUARD BASTION
Capacity10kVA-1200kVA
TopologyDouble Conversion Online System with Output Isolation Transformer
ControlMicroprocessor Controlled System
RECTIFIER
Isolation Transformer (OPTIONAL)Galvanically Isolated
Nominal Input Voltage110 VAC /208 VAC /  220 VAC / 230 VAC / 240 VAC / 380 VAC / 400 VAC / 415 VAC / 480 VAC ±15%(1 phase or 3 phase)
Nominal Input Frequency50Hz / 60Hz ±5%
Input PF≥ 0.8 Inductive (6 Pulse) ≥ 0.9Inductive (12 Pulse) ≥ 0.95 Inductive (12 Pulse with active harmonic elimination)
Total Harmonic Distortion (THDi)≤ 30% (6 Pulse), ≤ 10% (12 Pulse), ≤ 5% (12 Pulse with active harmonic elimination)
BATTERY
Nominal DC Voltage110 VDC / 125 VDC / 220 VDC / 230 VDC / 240 VDC / 360 VDC / 384 VDC / 432 VDC / 480 VDC
Battery Charging PrincipleConstant Current / Constant Voltage
Boost Charge Voltage (V/Cell)2.4 Lead Acid Battery 1.60 NiCd Battery (Based on battery brand and type)
Float Charge Voltage (V/Cell)2.23 Lead Acid Battery 1.40 NiCd Battery Based (Based on battery brand and type)
INVERTER
Topology3 Full Bridge 6 high Frequency IGBT Inverter Modules (3 Phase); 1 Full Bridge 2 high Frequency IGBT Inverter Modules (1 Phase)
Isolation TransformerGalvanically Isolated (standard)
Power Factor0.8 / 0.9
Nominal Output Voltage110 VAC /208 VAC /  220 VAC / 230 VAC / 240 VAC / 380 VAC / 400 VAC / 415 VAC / 480 VAC ±15%(1 phase or 3 phase)
Voltage Tolerance Static± 1%
Dynamic with 100% Load Change± 10% in 50 msec.
Overload
100%-110%, 5 hours
110%-125%, 10 min
125%-150%, 1 sec
WaveformPure Sinusoidal
Total Harmonic Distortion (THDv)
< 3%, at linear load
<5%, at non-linear load
Crest Factor3 : 1 (1 second)
Nominal Output Frequency50 Hz / 60 Hz ±0.1%
Switching Frequency16 kHz/ 8kHz /4kHz(Different power, Different frequency)
STATIC BY-PASS
TopologyUninterruptible static switch with back-feed protection
Bypass SystemNo break semiconductor thyristor – thyristor
Isolation Transformer (OPTIONAL)Galvanically Isolated
Nominal Frequency50/60 Hz ± 2%
Inverter/Bypass Transfer Time
Inverter failure: Max. 5 msec.
Overload or manual transfer: 0 msec.
Bypass/Inverter transfer time: <4 msec.
MECHANICAL BY-PASS
TopologyMake before break mechanical switch with locking system
SYSTEM
Efficiency
AC Mode: 90%
Battery Mode: 92%
ECO Mode: 99%
MCCB and Fuse
Input MCCB, Output MCCB, Battery Fuse, Bypass MCCB, Maintenance bypass MCCB, Battery MCCB (Optional)
(Small capacity UPS using MCB)
MeasurementsLCD Display for Line Voltage / Frequency / Current ,Battery Voltage / Current, Battery SOC, Output Voltage / Frequency / Current
Protections
Input: Input High Voltage, Input Low Voltage, Input Frequency Failure,Phase Sequence Fault (3 Phase),Soft Start, Over Temperature Protection   
Battery:  L-C filters, charge current limited
Output: Short Circuit Protection, Over Voltage Protection, Under Voltage Protection, Over Current Protection, Over Temperature Protection    
LCD AlarmDisturbances on bypass line, By-pass manual, Maintenance bypass MCCB close, Cable defect in parallel, Bypass votlage failure, Bypass MCCB open, SCR fuse failure, Mains voltage failure, Input frequency error, Input MCCB open, Battery Low voltage, Battery discharge, Battery MCCB open, Output overload, Internal fault (Including auxiliary power supply, IGBT, SCR and other internal circuits)
Alarm ContactsLow Battery, Mains Input Normal / Failure, Charger Failure, Overtemperature, Charger Overvoltage, Load MCB ON/ OFF, Battery MCB ON / OFF, Earth Fault(OPTIONAL);
Adjustable ParametersBattery number, Boost Charge Voltage, Float Charge Voltage, Battery Charge Current, Battery Ending Voltage, Password;
UPS Mode (UPS, ECO, Bypass Inhibit), DC Cut off, Low Battery Level, Output Voltage Adjustment, Auto Start ON/OFF, Date, Alarm Sound ON/OFF, Password
CommunicationRS 485 / RS 232(standard)/ (OPTIONAL) Ethernet Ports, Modbus, Profibus, SNMP, TCP/IP 
Paralleling (OPTIONAL)Parallel Redundancy 
SAFETY & ENVIRONMENT
Electrical StandardsIEC 62040-3 (Performance), EN 50091-1 (Security) / EN 50091-2 (EMC)
Over Voltage ProtectionIEEE 587 4500 A, 110 Joules (standard) / 40kA Surge Arrestor (OPTIONAL)
Electrical Interference ReductionFCC Part 15 Class B
Protection Level / ColorIP 20 / RAL 7035 (Standard), (Higher IP rating and different colors are available, please consult)
Enclosure MaterialMild Steel, Cold rolled steel plate spray coating, galvanized sheet; 1.2 mm thickness
CoolingForced Fan (Standard)
Cable EntryBottom (Standard) / Top (OPTIONAL)
Heater & LightingOPTIONAL
DistributionOPTIONAL
MTBF200,000 hrs. (without battery group)
Operating Temperature-10 / +40 °C. (Higher operating temperatures are available, please consult)
Relative Humidity0 – 95 %(non-condensing)
Operating AltitudeMax. 4000 Mt. (Higher altitudes requires de-rating, please consult )
Noise Level Max. 60 dB
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