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Cummins, DQKC, 1200 kW, 50Hz, 16-Unit Power Generating Station

Description

  1. Overview
    1. Complete power generating station powered by 16 Cummins 2,000 kW diesel generator sets and accessories.
    2. Inventory number: E-5999.
    3. Model #DQKC, QSK60 series engine.
    4. Continuous rating: 1,200 kW each at 50 Hz.
    5. Total capacity: 19.2 MW at 50 Hz.
    6. Total run hours: 20 to 230 hrs (average 60).
    7. These are new units that have been operated only for commissioning and testing.
    8. Units have selected catalytic reduction (SCR) for reduction of NOx by 90% and CO by 85%.
    9. Equipment was provided to the owner with a one-year warranty that is transferable to the buyer.
  2. Site Overview
    1. A supplementary power generating station powered by 16 diesel engine powered, alternating current generator sets (DGs).
    2. 16 Cummins diesel motor generator sets, each in their own weather-tight, noise attenuating housing (housing is removable for shipping).
    3. 15,000 gallon double-wall fuel tanks for each DG (16 total).
    4. A utility building with urea supply tanks (5), one potable water tank, breakers, control room and storage.
    5. A substation with ABB reclosers to connect to the power grid.
  3. Engine and Generator Specifications
    1. Generating sets: diesel powered, 1,750 kW to 2,000 kW at 60 Hz, 1,500 kW to 1,650 kW at 50 Hz.
    2. Engine: QSK60 series, model #DQKC.
    3. Standby rating at 60 Hz: 2,000 kW (2,500 kVA).
    4. Standby rating at 50 Hz: 1,650 kW (2,063 kVA).
    5. Prime power rating at 60 Hz: 1,825 kW (2,281 kVA).
    6. Prime power rating at 50 Hz: 1,500 kW (1,875 kVA).
    7. Continuous rating at 60 Hz: 1,600 kW (2,000 kVA).
    8. Continuous rating at 50 Hz: 1,200 kW (1,500 kVA).
    9. Data sheet for 60 Hz: D-3222.
    10. Data sheet for 50 Hz: D-3223.
  4. Generator Set Options
    1. Engine: 208/240/480 V coolant heater for ambient below 4.5°C (40°F), 12,840 watt max.
    2. Control panel: paralleling configurations, run relay package.
    3. Alternator: 105°C rise alternator, temperature sensor RTDs, 2/phase.
    4. Exhaust system: critical-grade exhaust silencer.
    5. Genset: AC entrance box, batteries, spring isolators, 1 year warranty.
    6. Voltages: 60 Hz line-line, 7,620/13,200.
  5. Features
    1. Cummins heavy-duty engine: rugged 4-cycle industrial diesel delivers reliable power, low emissions, and fast response to load changes.
    2. Permanent magnet generator (PMG): offers enhanced motor starting and fault clearing short circuit capability.
    3. Alternator: several alternator sizes offer selectable motor starting capability with low reactance 2/3 pitch windings; low waveform distortion with non-linear loads, fault clearing short-circuit capability and class H insulation.
    4. Control system: the PowerCommand electronic control is standard equipment and provides total genset system integration, including automatic remote starting/stopping, precise frequency and voltage regulation, alarm and status message display, AmpSentry protection, output metering, auto-shutdown at fault detection and NFPA 110 compliance.
    5. Cooling system: standard integral set-mounted radiator system, designed and tested for rated ambient temperatures, simplifies facility design requirements for rejected heat.
    6. Structural steel base: robust skid base supports the engine, alternator and radiator.
    7. Warranty and service: backed by a comprehensive warranty and worldwide distributor network.
  6. Controls and Operator Panel
    1. Includes an enhanced graphical operator panel that allows the user to view up to 9 lines of information, as well as graphical displays of system data.
    2. Connections to the operator panel are sealed locking plug interfaces for reliable, vibration-resistant interconnection to the generator set wiring harness.
    3. Control switches include: off/manual/auto mode control switch, manual run/stop control switch and indicating LED, exercise control switch and indicating LED, panel lamp/lamp test control switch, and emergency stop control switch.
    4. Operator adjustments include: time delay start (0-300 seconds), time delay stop (0-600 seconds), alternator voltage (plus or minus 5%), and alternator frequency (plus or minus 3 hertz).
    5. The operator panel can be configured to require an access code prior to adjusting these values; a second access code protects the control from unauthorized service level adjustments.
    6. Voltage and frequency adjustments are disabled during operation in parallel with a system bus to prevent inadvertent misadjustment of the paralleling load sharing functions.
    7. The PowerCommand control is equipped with an analog AC metering panel that simultaneously displays 3-phase line to line AC volts and current, kW power factor, and frequency.
    8. The meter panel is composed of a series of LEDs configured in bar graphs for each function; LEDs are color coded with green indicating normal range values, amber for warning levels, and red for shutdown conditions.
    9. Scales for each function are in % of nominal rated values; resolution is 1% for values close to nominal and increases at increasing values from nominal.
  7. PowerCommand Digital Paralleling Control
    1. The PowerCommand control is a microprocessor-based generator set monitoring, metering and control system.
    2. Provides an operator interface to the genset, digital voltage regulation, digital governing, generator set protective functions and automatic paralleling functions.
    3. Integration of all functions into a single control system provides enhanced reliability and performance compared to conventional control systems.
    4. Suitable for use on generator sets ranging from roughly 20 kW to 4,000 kW.
    5. Directly reads AC voltages up to 600 VAC and can be configured for any frequency, voltage and power connection configuration from 120 to 13,800 VAC.
    6. Designed for mounting on the generator set; the operator panel may also be remote-mounted and connected via an RS-485 network connection.
  8. Condition
    1. New units that have been operated only for commissioning and testing.
    2. Total run hours: 20 to 230 hrs (average 60).
    3. Equipment was provided to the owner with a one-year warranty that is transferable to the buyer.
  9. Included
    1. 16 Cummins diesel motor generator sets, each in their own weather-tight, noise attenuating housing.
    2. 16 double-wall fuel tanks, 15,000 gallon each.
    3. Utility building with urea supply tanks (5), one potable water tank, breakers, control room and storage.
    4. Substation with ABB reclosers to connect to the power grid.
    1. Not specified.