Toshiba Power Supply 20kVA User Manual

Black Gold Single Phase Uninterruptible Power Supply Systems  
Guide Specifications  
2.0kVA Industrial Rackmount  
1.0  
Scope  
This specification describes the requirements for an On-Line Uninterruptible Power  
Supply (UPS). The UPS will supply a computer grade AC output sinewave which is  
unaffected by the quality of the AC input. The input voltage shall be single phase with  
the output voltage being single phase.  
2.0  
General Operation  
Under normal operating conditions, the UPS's rectifier converts alternating current (AC  
power) to direct current (DC power), which is required for the system's inverter and  
battery charger. The charger supplies regulated DC power to keep the batteries  
constantly charged. The inverter uses pulse width modulation (PWM) that fully utilizes  
the characteristics of insulated-gate bipolar transistors (IGBT) to convert DC power to  
regulated AC power. Therefore there is a constant supply of power. The batteries will  
instantaneously supply the inverter DC power should an AC power line failure occur.  
2.1  
Performance Standards  
The UPS shall be designed with the applicable sections of UL, CSA, NEMA PE-1, and  
IEEE-587(ANSI C62.41). The UPS shall have UL 1778 listing and is CUL certified..  
3.0  
General  
3.1  
Materials  
All materials used are of new manufacture using the latest technology and should not  
have been in prior service except for specified factory testing. IGBT's (insulated-gate  
bipolar transistors) are used exclusively in inverter and chopper sections.  
3.2  
3.3  
Components  
All functioning components are solid state with no moving parts.  
Installation  
The installation of the UPS must comply with the UPS manufacturer's recommendations  
that will be supplied before delivery of the UPS. Local electrical codes and the National  
Electric Code must be complied with. All wiring must comply exactly with what is  
specified.  
3.4  
Assembly  
The UPS shall be delivered fully assembled and be fully functional.  
Line Cord:  
5-20P  
Receptacle Panel:  
Six 5-15R (120V In / 120V Out)  
Six IEC 320 (230V in / 230V Out)  
4.0  
System Theory and Operation  
4.1 Theory  
AC input from the utility system is converted into DC power by a diode bridge rectifier  
and stepped up by the chopper. The stepped up DC power is then converted to AC power  
by the inverter. The output voltage waveform of the inverter will be the pulse voltage  
Page 1 of 5  
 
Black Gold Single Phase Uninterruptible Power Supply Systems  
Guide Specifications  
2.0kVA Industrial Rackmount  
Average Recharge:  
Type of Battery:  
Voltage Range:  
Cutoff Voltage:  
24 hours (8 hours for 90%)  
sealed lead acid  
2.0 KVA  
1.60 VPC  
57.6 – 82.8VDC  
6.0  
UPS Output  
Capacity:  
Voltage:  
2.0 KVA  
1.40 KW  
120 VAC Single phase  
Regulation:  
+/-3% (with AC power and during battery backup)  
Frequency:  
(50/60Hz)  
Regulation:  
Synchronous range:  
+/- 0.5% in free run mode  
+/- 1%  
Rated Load Power Factor:  
Crest Factor:  
Transient Characteristics:  
0.7 lagging  
3
+/- 5% for 100% load step change  
Overload Capacity (Inverter): 150% For 60 seconds  
1000% for 1 cycle  
THD (Total Harmonic Distortion):  
1% typical  
3% maximum under linear load  
Efficiency:  
89%  
Acoustical Noise:  
Output Current:  
45 dB(max), at 1 meter from front panel  
RMS  
16.6A  
PEAK  
50.0A  
2.0 KVA  
6.1  
Bypass  
If the UPS unit is overloaded or develops an internal fault, the power is automatically  
switched from the unit's main circuit to the bypass circuit mode. The UPS equipment  
load will be supplied by utility power through the bypass circuit. This changeover occurs  
in less than 4 milliseconds. The switching period is not long enough to cause  
interruptions to occur in your UPS equipment load.  
Page 3 of 5  
 
Black Gold Single Phase Uninterruptible Power Supply Systems  
Guide Specifications  
2.0kVA Industrial Rackmount  
There is also a switch on the front panel (Run/Stop) that allows you to manually switch  
from UPS to bypass mode. (Run - UPS mode, Stop - Bypass mode).  
7.0  
System Status and Control Indicators  
7.1  
Panel  
The UPS has a panel on the front for complete monitoring of UPS.  
Operation Panel:  
1)  
2)  
3)  
4)  
5)  
Run/Stop  
Fault indicator  
AC Line indicator  
Inverter indicator  
8 Segment LED Display  
The eight segment LED display will indicate the following:  
1)  
2)  
3)  
Output Load (normal operation)  
Battery Voltage Level (during input AC failure)  
Self-diagnostics (UPS faults)  
Fatal Faults:  
1)  
2)  
3)  
4)  
Input overcurrent  
DC overcurrent  
DC overvoltage  
UPS system error  
Non-Fatal Faults:  
1)  
2)  
3)  
4)  
5)  
Output overvoltage  
Output low voltage  
DC undervoltage  
Overheat  
Battery problem  
8.0  
9.0  
Dimensions  
2.0 KVA  
119 lbs  
24”  
16.75”  
5.25”  
Weight  
Depth  
Width  
Height  
Communications  
UPS comes with 4 dry contact signals relayed through a DB9 male connector.  
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Black Gold Single Phase Uninterruptible Power Supply Systems  
Guide Specifications  
2.0kVA Industrial Rackmount  
1)  
2)  
3)  
4)  
AC input present  
Low battery  
Inverter  
Bypass Active  
All signals are (NO) in configuration with standard AS/400 interfaces.  
UPS comes with a RS232 communication port for serial communication.  
10.0  
11.0  
Reliability  
Demonstrated mean time between failures (MTBF) of 200,000 hours.  
Warranty  
Every UPS comes with a "Security Plus" Warranty. This warranty provides on- site  
service for 3 years after shipment including parts and labor.  
12.0  
Options  
12.1  
Remote Monitoring  
The UPS contains a communication slot this allows the operator to field install an  
optional RemotEye II card. The RemotEye II card shall allow the UPS to communicate  
via Ethernet SNMP, connected directly to the Local Area Network. SNMP/ Web based  
monitoring – Toshiba UPS system provides comprehensive monitoring of the UPS  
operation. The optional RemotEye II features an HTTP (web-based) interface for  
Toshiba UPS. This allows easy access to the Toshiba UPS information from any  
PC/Network with a web browser.  
12.2  
Environmental Monitoring Device (EMD)  
The EMD is an environmental monitoring device that provides remote monitoring of  
temperature, humidity and other environmental conditions via standard web browser or  
network management systems. The EMD provides automated events notification when  
temperature, humidity or user defined dry contacts is out of configured tolerance.  
Page 5 of 5  
 

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