TOSHIBA International Corp GUIDE SPECIFICATIONS THREE PHASE UNINTERRUPTIBLE POWER SYSTEM TOSHIBA 4200FA 50 kVA XT – Transformer / External Battery 208v Input / 208/120v Output UPS GUIDE SPECIFICATIONS 4200FA XT1 September 6, 2004 1
(50 kVA XT) 1.0 SCOPE 1.1 System This specification describes a continuous duty, three-phase, on-line, solidstate uninterruptible power supply system, hereafter referred to as the UPS. 2.0 SYSTEM DESCRIPTION 2.1 Applicable Standards The UPS shall be designed in accordance with and be compliant with the following sections of the current revisions of the following standards: ANSI C62.
H. Input / Output EMI / RFI Filters 2.3 System Operation 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.
protection against spikes, common/normal mode noise, load steps and frequency shifts (without battery back-up capability). 3.0 SYSTEM PARAMETERS A.
+/- 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 3.0 17) Harmonic Voltage Distortion 1.
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.
2) INPUT ISOLATION TRANSFORMER - The inverter network shall incorporate a shielded isolation transformer to provide complete isolation of the load from utility AC, as well as providing attenuation for high frequency noise common mode). Additionally, the transformer shall have a set of windings to condition the internal static bypass line.
See “System Diagnostics” for specific fault.
B. Matching Battery Enclosure The battery cabinet shall consist of a freestanding, matching NEMA1 enclosure equipped with casters and leveling feet. The maximum overall dimensions and weights shall be as follows: Dimensions 30”L x 32”W x 59.8”H UPS Size 50 kVA Weight ~1,832 lbs. Runtimes 4-29 Min C. Cable Entry The UPS shall be provided with cable entry from the bottom, top and rear of the UPS enclosure. D.
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. B.