Toshiba Power Supply 4200FA CT User Manual

TOSHIBA International Corp  
GUIDE SPECIFICATIONS  
THREE PHASE UNINTERRUPTIBLE POWER SYSTEM  
TOSHIBA 4200FA  
25 kVA CT Internal Battery  
UPS GUIDE SPECIFICATIONS  
4200FA CT  
March 4, 2010  
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H. Input / Output EMI / RFI Filters  
System Operation  
2.3  
The UPS shall operate as an on-line, fully automatic system in the  
following modes:  
A. NORMAL - Incoming AC power is boosted using a chopper circuit,  
and converted into DC power. The DC power is then used to charge the  
battery bank while at the same time providing clean, DC power to the  
inverter circuitry. The inverter converts DC power to regulated AC power  
which feeds the load.  
B. EMERGENCY - Upon failure of commercial AC power, the UPS shall  
derive power from the battery bank and continue feeding the load with  
clean, regulated AC power. There is no interruption to the critical load  
upon failure or restoration of commercial AC power.  
C. RECHARGE - Upon restoration of the commercial AC source, the  
rectifier/chopper powers the inverter while simultaneously recharging the  
battery bank. The UPS shall have the following recharge process:  
a) a constant level of current is used to recharge the batteries (the  
process shall utilize a current-limit function to prevent overcharging  
batteries, thus extending the life of the batteries)  
b) as the batteries reach the normal charge level, a constant-voltage  
control shall begin which causes the battery recharge current to  
gradually decrease  
c) Under normal operation, the UPS battery bank "floats" at the 2.25-2.27  
volts per cell DC level to stay fully charged and ready for the next  
discharge.  
D. BYPASS MODE - Upon detection of an internal fault or output  
overload, the UPS shall automatically switch from inverter power to an  
internal bypass via the static switch.  
Transfer shall be within 4  
milliseconds, causing no interruption to the critical load. While in bypass,  
the UPS shall protect against spikes and common/normal mode noise by  
utilizing a dual-winding output isolation transformer. “Return from Bypass  
mode” shall be an automatic function, without interruption to the critical  
load. Transfer to Bypass may also be performed as a manual operation  
via the UPS front panel.  
E. POWER CONDITIONING MODE - Should the batteries be removed  
from the UPS, the UPS shall continue to function and still provide  
4200FA CT  
March 4, 2010  
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protection against spikes, common/normal mode noise, load steps and  
frequency shifts (without battery back-up capability).  
3.0 SYSTEM PARAMETERS  
A. UPS Input  
1) Input Voltage  
208/120VAC  
2) Input Voltage Requirement  
3) Voltage Variation  
4) Rated Frequency  
5) Frequency Range  
6) Power Factor  
3 Phase, 4 Wire + Ground  
+10% to -30%  
50/60 Hz  
45 - 65 Hz  
> 0.98 lagging  
7) Input Capacity  
110% of UPS Output Capacity  
From 20% to 100% over 5 seconds  
116% of nominal capacity  
< 600% under synchronous condition  
< 3% Total Harmonic Distortion (THD)  
Meets ANSI C62.41 (IEEE 587)  
Standard front-panel alarm panel shall  
notify user that unit has been supplied  
with incorrect phase rotation on input to  
allow for correct installation. The UPS  
shall be fully protected to prevent  
damage from this event.  
8) Walk-In Function  
9) Input Current Limit  
10) Inrush Current  
11) Input Current THD  
12) Surge Withstandability  
13) Input Phase Rotation  
(Protection/Detection)  
B. UPS Output  
1) Rated Voltage  
208/120VAC  
2) Output Voltage Requirements 3 Phase, 4 Wire + Ground  
3) Output Capacity  
25 kVA  
4) Rated Load Power Factor  
5) Voltage Regulation  
0.8 lagging  
+/- 2% nominal (balanced load)  
+/- 3% nominal (unbalanced load)  
+/- 5% manually (by front panel user  
interface)  
+/- 2 deg. (balanced load)  
+/- 4 deg. (100% unbalanced load)  
50/60 Hz (jumper selectable)  
+/- 0.01% free running  
6) Voltage Adjust. Range  
7) Phase Displacement  
8) Rated Frequency  
9) Frequency Regulation  
10) Frequency Synch. Range  
+/- 0.5/1.0/1.5 Hz (+/- 1.0 Hz Standard)  
User selectable  
11) Frequency Slew Rate  
12) Voltage Transients  
1.0 Hz/second to 3.0 Hz/second  
+/- 5% (100% step load change)  
4200FA CT  
March 4, 2010  
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+/- 3% (loss or return of input power)  
+/- 8% (bypass to inverter)  
13) Transient Voltage Recovery 50ms maximum to within 2% of nominal  
14) Overload Cap. (on inverter) 125% for 90 sec., 150% for 30 sec.  
15) Overload Cap. (on bypass) 1000% for 10ms, 125% for 10 min.  
16) Crest Factor  
2.5 3.0 within the kW range.  
17) Harmonic Voltage Distortion 1.5% THD maximum, 1% maximum for  
any single harmonic (linear load)  
18) Inrush Current Protection  
Automatic transfer to bypass, then auto-  
return to inverter ( retransfer may be  
inhibited by jumper)  
19) Output Overcurrent  
Hall-Effect Current Transformer and  
Fusing  
C. Batteries  
1) Battery Type: Sealed, Valve Regulated Lead Acid cells  
2) Protection Time:  
Each standard matching battery pack shall provide  
the minimum run-time:  
-
5 minutes back-up time @ 25 kVA  
3) DC Voltage Range:  
UPS Capacity  
Nominal Voltage  
Alarms Voltage(V low)  
Shutdown Voltage (V min)  
25 kVA  
288 VDC  
252 VDC  
216 VDC  
4) Ripple Voltage: 2% RMS maximum  
D. Environmental  
1) Efficiency: 85% (AC/AC); 87% (DC/AC)  
2) Operating Temperature: UPS: 32 to 104 F (0 to 40 C)  
Battery: 68 to 77 F (20 to 25 C)  
3) Storage Temperature: UPS: -4 to 140 F (-20 to 60 C)  
Battery: prolonged storage above 104 F  
(40 C) causes rapid battery degradation  
4) Relative Humidity: 30-90% (non-condensing)  
5) Audible Noise: 60 dB („A‟ scale @ 1 meter)  
6) Altitude: < 6,000-ft. maximum (< 2,000 m)  
4200FA CT  
March 4, 2010  
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4.0 FUNCTIONAL DESCRIPTION  
A. Converter / Charger / DC Chopper  
DESCRIPTION - The converter/charger shall consist of a solid-state three  
phase rectifier, DC to DC converter (chopper), output filter, and transient  
suppresser network to regulate and maintain DC power to the inverter.  
1) TRANSIENT SUPPRESSER - The incoming AC utility shall first be  
connected to a molded case circuit breaker as a means of disconnecting  
power to the UPS. Power shall flow through a surge absorber to prevent  
large transients from passing through to the load or damaging the  
batteries. Power shall then flow through a line filter to prevent sags or  
surges from passing to the load.  
2) CONVERTER/CHARGER - The converter shall serve to change  
incoming AC power to DC, which shall be supplied to the DC chopper.  
From this point, DC power is used to recharge the battery bank while  
simultaneously providing power to the inverter.  
a) Input Frequency Range: 45-65 Hz, continuous, without battery  
operation  
b) Capacity: Battery recharge shall be to within 90% of nominal  
from a fully discharged state in 10 times the discharge time.  
3) DC CHOPPER - The chopper circuit shall consist of inductors,  
capacitors, diodes and IGBT's (Insulated Gate Bipolar Transistors). The  
chopper shall have the function of providing start-up protection (by  
checking phase rotation of incoming utility power), boosting the DC to the  
inverter (during low AC input voltage conditions), providing power factor  
enhancement, and reducing reflected harmonics to incoming utility power.  
B. Pulse Width Modulated (PWM) Inverter  
DESCRIPTION - The PWM (Pulse Width Modulated) inverter shall  
incorporate an advanced IGBT design, an output isolation transformer,  
and output overcurrent protection for clean, regulated output power to the  
critical load.  
1) INVERTER - The inverter network shall consist of a high speed IGBT  
switching network designed to supply non-linear loads with a clean and  
steady voltage waveform. The inverter switching speed shall be fast  
enough to limit audible noise to 60 dBA at 3 feet (measured on „A‟ scale).  
4200FA CT  
March 4, 2010  
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2) OVERCURRENT PROTECTION - The output circuitry shall be  
equipped with a Hall Effect Current Transformer to detect and protect the  
inverter from excessively high currents.  
C. Static Bypass Switch  
1) TRANSFER - The static bypass switch shall consist of thyristor  
switches in conjunction with an output contactor to permit manual  
switching from bypass to UPS and UPS to bypass without power  
interruption. The UPS shall instantaneously transfer to bypass should a  
component fail during normal operation (provided the UPS and bypass  
are in synchronization). Auto-retransfer to UPS after an overload  
condition shall be completed within one second after the bus has dropped  
to 100% of nominal.  
2) REMOTE RUN/STOP - A set of normally open dry contacts shall be  
provided to remotely transfer the UPS on-line and off-line. When the UPS  
is in this mode of operation, the UPS front control panel shall be disabled  
to provide a secured configuration.  
D. Microprocessor Control System  
1) DESCRIPTION - The UPS system shall be provided with a highly  
reliable microprocessor internal control system to perform start-up,  
transfers, monitoring, and battery recharging. The microprocessor shall  
provide important information to the user (via a liquid crystal display) with  
such as system status, fault messages and input and output parameters.  
2) LED INDICATORS - The following LED indicators shall be provided on  
the UPS front panel displays, which mimic power flow through the UPS:  
a) AC INPUT (Green Lamp) - Lights when normal AC input power  
is being supplied to the unit.  
b) INVERTER (Green Lamp) - Lights when the UPS unit‟s inverter  
is normal.  
c) BATTERY (Green Lamp) - Lights when the batteries are  
discharging: flickers when the battery voltage is below minimum.  
d) BYPASS (Green Lamp) - Lights when in circuit-bypass mode.  
d) FAULT (Red Lamp) - Lights when a fault has been detected.  
See “System Diagnostics” for specific fault.  
3) SYSTEM METERING - The UPS shall be provided with a single read-  
out display which displays, upon request, the following information:  
AC INPUT VOLTAGE (Line to Line)  
4200FA CT  
March 4, 2010  
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AC OUTPUT VOLTAGE (Line to Line, Line to Neutral)  
AC OUTPUT CURRENT  
BATTERY VOLTAGE  
BATTERY CHARGING CURRENT  
INPUT FREQUENCY  
OUTPUT FREQUENCY  
INPUT/ OUTPUT kW  
POWER FACTOR  
4) SYSTEM DIAGNOSTICS - The following diagnostic information shall  
be provided to troubleshoot the UPS should a fault occur:  
UPS Ok  
Memory Error  
UPS Overload (including Bypass)  
Inverter Output Current Limit  
Wrong Phase Rotation of AC Input Low Battery Voltage  
Internal AC Circuit Fault  
Internal DC Circuit Fault  
Heatsink Overheat  
I/O not Synchronized  
Auto-transfer Mode  
Fuse Open  
DC unbalanced  
Battery Discharging Mode  
UPS Output Disabled  
DC Circuit Over/Under voltage  
DC Circuit Overcurrent  
Chopper Input Overcurrent  
Inverter Overcurrent  
Inverter Over/Under voltage  
Inverter Overload  
5.0 MECHANICAL DESIGN  
A. UPS Enclosure  
The UPS shall be in a freestanding, NEMA1 enclosure equipped with  
casters and leveling feet. The overall dimensions and weights shall be as  
follows (without internal batteries):  
UPS Size  
25 kVA  
Dimensions  
20.0”W x 36.3”D x 59.7”H  
Weight  
910 lbs.  
B. Cable Entry  
The UPS shall be provided with cable entry from the bottom, top and rear  
of the UPS enclosure.  
4200FA CT  
March 4, 2010  
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C. Ventilation and Maintenance Requirements  
The UPS shall require the following minimum space for ventilation and  
maintenance: 28” (front), 18” (top), 6” (rear), and 0” (side).  
6.0 STANDARD FEATURES  
A. Emergency Power Off (EPO)  
Emergency Power Off (EPO) terminals which trip open the UPS and  
battery circuit breakers.  
B. RS232 Communication Interface  
Serial data link will enable the UPS to interface with a computer to  
provide power status and diagnostic information.  
C. DB9 Dry Contact interface  
The following normally open dry contacts shall be provided through a DB9  
male connector located inside the front door:  
1) UPS On  
2) Bypass Active  
3) Input Power Loss  
4) Battery Voltage Low  
D. Battery Test Function  
The UPS shall be provided with a “Battery Test” pushbutton to periodically  
check the condition of the batteries. Upon detection of a battery problem,  
the UPS shall notify the user of this condition allowing the user to perform  
a detailed check of the battery string.  
7.0 SERVICE AND WARRANTY  
A. Reliability  
System mission reliability 240,000** hours and including bypass MTBF  
(Mean-Time-Between-Failure) shall be in excess of 3,000,000**hours.  
4200FA CT  
March 4, 2010  
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B. Maintainability  
Calculated and demonstrated MTTR (Mean-Time-To-Repair) shall be 30  
minutes including time to diagnose the problem and replace subassembly.  
C. Warranty  
The UPS system shall be provided with a comprehensive three-year on-  
site warranty (when purchased with a Factory-Authorized Start-up).  
The warranty shall cover parts, labor, travel and freight for the UPS. The  
battery system has a full 2 year warranty with 3 year‟s prorata total of 5  
year warranty. Typical on-site response time shall be 4 hours (24 hours  
maximum). The warranty period shall expire three years for UPS and two  
years for the battery system from date of shipment from manufacturer‟s  
facility.  
*Specification subject to change without notices.  
**Times are accurate provided normal Preventative Maintenance procedures are  
followed.  
4200FA CT  
March 4, 2010  
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