MITSUBISHI ELECTRIC 2033D SERIES (30, 50, 80kVA) SPECIFICATIONS SP-0009 EMERGENCY SERVICE 2033D_specs_Rev2.doc www.ces.ca CALGARY - EDMONTON - VANCOUVER - SASKATOON Rev.
TABLE OF CONTENTS 1. SCOPE..........................................................................................................................................................1 1.1 2. The System .................................................................................................................................................... 1 SYSTEM DESCRIPTION ..........................................................................................................................1 2.1 2.2 2.
1. SCOPE 1.1 The System This specification describes an on-line, three phase, solid-state, uninterruptible power system, hereafter known as the UPS. The UPS shall operate utilizing the existing power distribution system to provide a high quality, reserve source of power to electronic equipment loads. The system shall consist of a converter, system battery, solid-state inverter, automatic static bypass transfer circuit and integral maintenance bypass circuit. 2. SYSTEM DESCRIPTION 2.
m. n. o. p. q. r. s. t. u. v. w. Internal Maintenance Bypass Switch (MBS). Automatic input current walk-in. Remote operation (Start/Stop of Inverter). Automatic UPS restart and load pick-up (after system battery depleted; AC restored). Programmable external customer contacts (C-Type) dry contacts. RS232C communication for “DiamondLink” monitor software. Web monitor (RJ45) Touch screen person-machine interface. Remote and Local Emergency Power Off (EPO).
transfer shall be inhibited if satisfactory synchronization of the inverter and bypass is not accomplished. 2.2.5 Two (2) Parallel Redundant / Non-Redundant Mode (option) - If one of the UPS modules are taken off line, but the load demand does not exceed the capacity on the UPS’s remaining on-line, the system shall continue to furnish conditioned power from the inverter and operate in a Non-Redundant mode. Emergency and Bypass Modes shall operate as described above. 2.2.
3.2 Input (Converter) 3.2.1 Nominal input voltage: 480V, 3 phase, 3 wire. 3.2.2 Input voltage range: +10%, -15% at 100% load. –15% to –30% at derating load. 3.2.3 Input frequency and range: 45.4 Hz to 65Hz. 3.2.4 Input power factor: .98 lagging typical at 100% load; 0.97 lagging typical at 50 % load. 3.2.5 Converter input current THD: 4% typical at 100% load. 7% typical at 50% load. 3.2.6 Converter walk-in time: 10 seconds. 3.3 Input (Bypass) 3.3.1 Nominal input voltage: 480V, 3 phase, 3 wire. 3.3.
3.4.5 Output frequency (inverter synchronous): 60 Hz (tracks frequency of static bypass source). 3.4.6 Output frequency slew rate (inverter synchronized to static bypass): 1 Hz/second to 10Hz/second (selectable). 3.4.7 Free running output frequency (on battery or asynchronous): 60 Hz +/- 0.05%. 3.4.8 Output voltage harmonic distortion: a. b. Typically 2% THD with 100% linear load. Typically 5% THD with 100% non-linear load. 3.4.9 Load power factor range: 0.7 lagging to 1.0 within kW rating of UPS. 3.4.
3.5.5 Relative humidity a. b. Maximum operating range: 5% to 95% (non-condensing). Recommended operating range: 30% to 90%. 3.5.6 Altitude: Operating to 9,000 feet No derating. 3.5.7 Heat dissipation (at 100% load). UPS capacity (kVA) 30 50 80 kBTU/hr kW 9.1 15.2 24.3 2.7 4.4 7.1 3.5.8 Acoustical noise level: 65 dBa @ 1 meter 3.6 Reliability The UPS equipment reliability shall be represented in terms of theoretical Mean-TimeBetween-Failures (MTBF).
The system battery shall be sized to provide the specified back-up time to the inverter when the UPS is supplying 100% rated load. The battery shall be of the VRLA, Flooded Lead Acid or Nickel Cadmium types. 3.8.1 VRLA Battery System Example (EXAMPLE using 50 kVA UPS) a. The battery system shall include a DC cable landing box equipped with sufficient landing provisions to interface the UPS’ DC input to battery cabinets. b.
a. b. c. Converter input current (maximum) 115% of nominal. Converter input power (maximum) 100% of rated kVA. Converter input current (aux.) 10%-150% variable. 4.1.3 Battery Charge Current Limit The Converter logic shall provide DC battery current limiting for controlled battery charging. The battery current sensing shall be independent of the Converter DC output current sensing to provide precise battery recharging. The following battery current limits shall be provided as a minimum: a. b. c.
4.1.8 Equalize Charge Timer a) Manual Equalize Charge Timer The UPS logic shall provide a 100 hour maximum electronic manual equalize charge timer. The timer circuit, once activated, shall provide a high rate equalizing charge voltage to the system battery for the selected time. The circuit shall also be capable of manual activation or deactivation via the LCD touch panel b) Automatic Equalize Charge Timer Once equalizing voltage level is achieved as stated by the battery manufacturer (typically .04 to .
4.2 Inverter 4.2.1 General The Inverter shall generate AC power that is derived from DC power supplied from the Converter or the system battery. The Inverter shall be capable of providing rated output as stated in section 3.4 while operating from any DC voltage within the battery operating range. The Inverter shall utilize the following technologies: a. b. Solid state PWM controlled IGBT power transistors switching at 8 kHz. Switching shall be defined as IGBT turn on and turn off rate.
The Inverter output shall be capable of providing an overload current while maintaining rated output voltage to the values stated in section 3.4.10. A message indicating LED located on the control panel shall illuminate to identify this condition. If the time limit associated with the overload condition expires or the overload is in excess of the set current amplitude, the load power shall be transferred to the bypass source without interruption. 4.2.
the static switch to energize immediately thus providing an uninterrupted transfer to the bypass source when any of the following limitations are exceeded: a. b. c. d. e. Inverter output undervoltage or overvoltage. Overloads beyond the capability of the inverter. DC circuit undervoltage or overvoltage. Final voltage of system battery is reached (bypass source present and available). System failure (e.g.: logic fail, fuse blown, etc.). 4.3.
a. b. c. d. e. 5.2 UPS start-up procedure UPS shutdown procedure Emergency Power Off (EPO) Audible alarm silence System status levels Remote Operation Certain UPS controls shall, as standard equipment, be capable of being operated from a remote location. The remote functions are provided for user convenience and shall be activated via, user supplied, external dry contact switches connected at the user interface wiring terminal. The following remote control functions shall be provided as a minimum: a. b.
The microprocessor shall monitor each step, thus prompting itself to the next step of the instructions. The following instructions shall be available as a minimum: a. b. c. d. e. f. Inverter stop. Inverter start. UPS shutdown. UPS startup Transfer of load to static bypass. Equalize charge to system battery. 5.4.2 Microprocessor Controlled Metering All meters shall be digitally displayed having an accuracy of 1% or better. The following parameters shall be available for display: a. b. c. d. e. f. g. h. i.
l. m. n. o. p. q. r. s. t. u. v. w. 6.
14. 15. 16. 17. 7.2 Inverter Running Asynchronously Minor Alarm Total Alarm (Minor, Major and Alarm) Remote operation enable User Selectable Input Ports The UPS shall have, as standard equipment, nine (9) selectable input ports. The user can select from the following parameters: 1. 2. 3. 4. 5. 6. 7. 8. 9. 7.
8. OPTIONAL EQUIPMENT 8.1 Remote Status Alarm Panel (RSAP) The UPS manufacturer shall offer a Remote Status Alarm Panel which shall not allow any control over the UPS. The RSAP shall have, as standard equipment, a battery backup feature allowing it to continue monitoring UPS status conditions during power outage situations. The RSAP shall act only as an annunciation panel providing the following alarms/indications as a minimum: a. b. c. d. e. f. g.
the front of the UPS without exposure to any electrical hazard. Air filters shall be door mounted to prevent floor dust from being sucked into the unit. Bottom mount air filters shall not be accepted. 9.4 Printed Circuit Boards All printed circuit boards shall be conformally coated against corrosive vapors and to hermetically seal them. 9.5 Bussbar All bussbar used for conductivity within the UPS shall be designed with COPPER ONLY (Aluminum not acceptable) 9.6 Paint Color Munsell 5Y7/1. 10.
