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MTU, 20V4000-2, 2000 kW, 11000V, 50Hz, Stationary Cogeneration Unit

Description

  1. Overview
    1. Stationary cogeneration unit 2000 kW / 2500 kVA continuous
    2. 3-phase AC power rating: 11,000 V / 50 Hz
  2. Container Performance
    1. New built standard 40 ft (2 x 20 ft) high cube ISO sound attenuated container
    2. Containers stackable at all sides
    3. No part or modified part of the container will exceed the ISO outside corner castings in any direction
    4. Inside container provided with 80 mm rockwool isolation with perforated aluminium sheet
    5. Drip-pan to contain 120% containment of all liquids as lube-oil, cooling water and fuel, with three drains
    6. Engine room personal door on both sides with flush mounted slam shut type door handles, interior panic release handles
    7. Separate engine compartment
    8. All nuts are lock nuts to reduce hardware from vibrating loose
    9. Existing container door at the back side
    10. 4 off earthing studs (stainless steel) outside the container
    11. Partly dismountable roof to have the possibility to dismount engine, generator and silencer in parts, or genset in 1 piece
    12. Access doors at both sides of the container
    13. 2 times large inspection / maintenance doors at engine side
  3. Gas Engine Description
    1. See attached MTU-datasheet TB46208 -50
  4. Air Inlet And Outlet
    1. Air inlet and outlet on top of container by means of air ducts (as delivered earlier)
    2. Every duct made out of galvanised bended steel plate. Dimensions: L x W x H = 2000 x 2200 x 2500 mm
    3. Air inlet at the back roof of the container, at generator set
    4. Air outlet on the front roof of the container, with electrical fan with a capacity of 18 kW
    5. Both air ducts are provided with electrical shutters, to avoid rain and snow coming in when the unit is not running
    6. The engine compartment cooling system will be sized for a maximum ambient temperature of ΔT of 15 °C above ambient temperature
  5. Gas System
    1. Container will be provided with a transfer flange, 3-inch
    2. Piping from exterior connection to gas train will be out of stainless steel
    3. Special pipe with automatic valve in vent line to exterior, in case of emergency (as stated in Russian law)
    4. The engine will be provided with a 3-inch gas train, provided with: gas filter, main valve, filter, pressure regulator, double solenoid valve
  6. Air Exhaust System
    1. Piping between exhaust gas heat exchanger and exhaust silencer will be provided with a stainless steel fitting
    2. Piping will be provided with rockwool blankets
    3. The exhaust air will exit the container through one large pipe in order to reduce the air exhaust speed
    4. Outlet muffler out of stainless steel and provided with a condensate drain
    5. The exhaust air outlet will be provided with a stainless steel rain cap against rain
    6. Exhaust silencers equipped with lifting eyes to facilitate disassembling
    7. Exhaust silencers mounted inside the container on the container bottom
  7. Vibration Reducer
    1. The floor of the container must be defined to have a good repartition of the weight
    2. Mounting of anti-vibration mounts under the genset
    3. All connections for oil, fuel and water connections will be flexible connections
  8. Electrical
    1. Adequate DC fluorescent light with industrial-grade polycarbonate with timer switches adjacent to personal door
    2. 4000 amp ABB (or equal) 4-pole LSI motorized breaker accessory 220 VAC, motorized breaker for unit output and paralleling with another engine. Connection between the two engines on copper busbar
    3. Controls enclosure to be water tight
    4. Shut off AVR at idle speed
    5. External emergency stop button on each side of the container and on the control panel, adjacent to the personal doors
    6. Batteries will be able to start the engine, battery capacity for five start attempts minimum
    7. Long life totally maintenance free sealed batteries
  9. Engine And Generator Control
    1. Controls for fully automatic parallel operation per set and controlled by a MTU controller with touch screen
  10. Engine Control
    1. Fuel solenoid control
    2. Engine starter control
    3. KVA controller cool-down timer
    4. Oil pressure monitoring
    5. Water temperature monitoring
    6. Battery voltage monitoring
    7. Speed monitoring with over speed protection
  11. Engine Protective Features
    1. High / low coolant temperature
    2. High / low oil pressure
    3. Over speed
    4. Start failure
  12. Synchronizing
    1. Digital signal processing to eliminate harmonic issues
    2. Adjustable phase window, voltage window and dwell times
    3. Safe dead bus closing logic internal to the control
    4. Synchronization across generator and main breaker
    5. Multiple shot re-closing with adjustable time delays
  13. Real (kW) Load Control
    1. True RMS power calculations accurate control
    2. Configurable loading/unloading ramp rates
    3. Isochronously load-sharing of up to 8 units using percentage based load sharing
    4. Base load control for optimum fuel efficiency
    5. Import / export control using a watt transducer
    6. Soft utility transport function
    7. Externally adjustable base load of process reference levels with independent ramp rates
    8. kW droop provided for manual load control
  14. Reactive (kVAR) Control
    1. VAR sharing on isolated bussed using percentage based reactive load sharing
    2. Power factor of VAR control when base loaded
    3. Externally adjustable VAR or PF set point levels
  15. Automatic Generator Sequencing
    1. Automatically starts and stops genset, based on plant bus or process demand
    2. Configurable plant bus demand start/stop levels and timers
  16. Generator Protective Features
    1. Over / under voltage
    2. Over / under frequency
    3. Reverse power (inverse time delay)
    4. Loss of excitation
    5. Over current (inverse time delay)
    6. Loss of utility power detection
    7. Speed / frequency mismatch
    8. Load surge
  17. Communications
    1. Modbus or DDE communications via RS-232 based serial port
    2. RS485 EGCP to EGCP load-sharing communications network
  18. Power Output Connections
    1. Copper busbar
    2. The connectors in a special case on backside of the unit and hidden behind doors, which can be closed during running the engines, without disconnecting the cables
  19. Container Finish
    1. Container shot-blasted and sprayed in one (1) finish colour
    2. 3-layer system
    3. Bottom of the container covered with aluminium tear plate
    4. Genset and frame will be shot-blasted in standard grey, as earlier delivered
  20. Other Points
    1. External flush-mounted drain points for lube-oil, fuel and water, all labelled
    2. Shear resistance anti-vibration mountings
    3. Battery boxes for starting batteries, with covers capable of taking the weight of anybody using them as access steps (stainless steel), located in the engine compartment
    4. 2 pieces of manually operated portable 12 kg CO2 fire extinguisher