Micro-turbine plants ELLIOT ENERGY SYSTEMS

  The Generation Industrial Group
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The Industrial Group GENERATION offers to the customers the micro-turbine plants produced by Elliot Energy Systems for combined heat and electric power generation.


  • One-time 100% boost / relief of load.
  • Long-time operation at low load, including no-load running.
  • No many friction and rotation parts.
  • No vibration.
  • Low noise level.
  • Maintenance interval: after every 4000 hours; 24 000 hours of operation takes maintenance time of 55 standard hours.
  • Relubrication interval: 24 000 operation hours.
  • Low dimensions.

Co-generator TA-100 R

Micro-turbine plant is the ready made product. The plant is designed according to modular principle allowing replacement of separate parts and assemblies, if necessary.

All basic and auxiliary systems and units are mounted on the common frame. Protective shroud with sound insulating cover is used to protect the plant from external influences.

The plant consists of: 

  • Turbogenerator. 
  • Combustion chamber.
  • Recuperator. 
  • Heat recovery system.
  • Lubrication system.
  • Fuel system with booster gas compressor.
  • Power system electronics (rectifier, inverter, filter).
  • Digital automatic control system for turbogenerator and power electronic components with operators console.
  • Air cooling system of under shroud space and electronic power elements.
  • Accumulator batteries.

Technical data of micro-turbine plants -1 00





General data

1.1 Electric power at automatic control system kW 100
1.2 Power factor, cos


- 0,8
1.3 Fuel combustion heat kW 362
1.4 Electric efficiency % 29
1.5 Full efficiency % ≥75
1.6 Voltage ~3ph., 400
1.7 Frequency Hz 50
1.8 Frequency oscillation Hz(%) 0,5 (1)
1.9 Voltage oscillation V(%) ±5 (1,04)
1.10 Current value at 100 % load 50
1.11 Maximum current value (overload) within 5 seconds 0,5 (1)
1.12 Total harmonic distortion % ±5 (1,04)
1.13 Short-circuit current 50
1.14 Electric generator type

high-speed with 2 permanent magnets

1.15 Number of accumulators used pc 2


Accumulator voltage

V 12 
1.17 Sound level at 1m/10 m dB 62/75

Mass and dimensions data

2.1 Length (indoors design/outdoors design) mm 3100/3250
2.2 Width (indoors design/outdoors design) mm 850/850
2.3 Height (indoors design/outdoors design) mm 1930/2250
2.4 Mass (indoors design/outdoors design) kg 1860/2040

Gas-turbine electric unit. Technical data1 (generator drive)

3.1 Gas flowrate at nominal capacity with automatic control for Hu = 33,4/38,3 MJ/nm3 nm3/ 39/34
3.2 Rotor speed2 rpm ≈68000
3.3 Compressor pressure boost degree - 4
3.4 Compressor efficiency % >83
3.5 Compressor type centrifugal, single-stage 3100/3250
3.6 Air flowrate kg/s 0,8
3.7 Number of compressor stages pc 1
3.8 Number of turbine stages pc 1
3.9 Turbine efficiency % 88
3.10 Turbine type centripetal
3.11 Combustion chamber type annular, reverse-flow
3.12 Excess air factor - ≈5,6
3.13 Exhaust temperature at turbine wheel inlet ° 926
3.14 Air temperature at compressor outlet ° 250
3.15 Air temperature at recuperator outlet ° 500
3.16 Exhaust temperature at turbine wheel outlet ° 648
3.17 Exhaust temperature at recuperator outlet ° 287
3.18 Maximum aerodynamic resistance of exhaust line Pa 1250
3.19 Maximum aerodynamic resistance of inlet airline Pa <1000

Air cooling system data

4.1 Air flow for power electronic cooling m3/s 0,38
4.2 Air flow for oil-air oil system radiator, compressor station and booster compressor m3/s 0,755
4.3 Max aerodynamic resistance of connected waste gas duct Pa 1240
4.4 Max aerodynamic resistance of connected air duct for cooling air takeoff from oil-air radiator and compressor station Pa 50
4.5 Max aerodynamic resistance of connected air duct for cooling air takeoff from power electronic and booster compressor Pa 185

Fuel system data

5.1 Booster compressor inlet excess pressure kPa 3,4 to 34,5
5.2 Compressor outlet excess pressure kPa 540
5.3 Compressor type Plate type
5.4 Compressor drive type Three-phase engine AC
5.5 Feed voltage V 400
5.6 Frequency Hz 50
5.7 Power intake kW 5,5
5.8 Rotation speed rpm 1500
5.9 Loaded oil volume l 4,3

Oil system data

6.1 Oil tank volume l 19
6.2 Oil type Mobil SHC 824
6.3 Oil delivery pump type Gear pump
6.4 Drive type Brushless electric engine, 24V, DC

Heat utilization system data

7.1 Heat power (Hot water supply/ heating) kW 172/ 158
7.2 Exhaust gas temperature at compressor station inlet ° 296
7.3 Water temperature at compressor station inlet (hot water supply/ heating) ° 40/70
7.4 Water temperature at compressor station inlet (hot water supply/ heating) ° 65/93

Operation data

8.1 Annual use h 8000
8.2 Assigned resource h 72000
8.3 Maintenance, operation and repair costs $/h 0,7 to 1
8.4 Oil replacement interval / required time h 24000/1
8.5 Oil replacement interval in booster compressor/ required time h   4000…8000/1
8.6 Fuel and oil-dividing filter replacement intervals/ required time h 8000/2
8.7 Burner liner replacement h 24000/4
8.8 Rotor diagnostic test interval/ required time ° 24000/2
8.9 Operation temperature min. -30 +50
8.10 Load receiving time after “Start” command dB 3,5
8.11 Noise level at 1/10m Ppm 75/65
8.12 Exhaust emission level NOx/CO Ppm 25/41
8.13 Start up mode From autonomous source or from network
8.14 Operation mode Autonomous operation mode, in parallel with network, autonomous + in parallel with network, several units in autonomous mode, several units in parallel with network, several units in autonomous mode + in parallel with network.


  •  1 The gas-turbine electric unit is meant to be a turbo generator with combustion chamber and recuperative heat exchanger.
  • 2 Rotor rotation speed is practically independent from the load value.

Micro-turbine plant operation principles

Picture shows operation principles and temperature in some characteristic plant sections


1. Power electronics
2. Generator
3. Air compressor
4. Air intake
5. Air duct between compressor and recuperative heat exchanger
6. Combustion chamber
7. Turbine
8. Gas duct between turbine and recuperative heat exchanger
9. Natural gas supply
10. Recuperative heat exchanger
11. Bypass screen
12. Utilizing boiler
13. Hot water outlet
14. Bypass gas duct
15. Cold water inlet
16. Exhaust line
17. Booster compressor

Treated atmospheric air comes to the air duct 4, then it goes to the compressor 3 inlet. The air is compressed and heated up to 250 ° degrees due to the process.

Then the air comes to the air-gas (recuperative) heat exchanger 10, where it is heated to 500°. This solution allows increasing plant electrical efficiency two times

Then the heated compressed air before the combustion chamber 6 is mixed with gas fuel under high pressure 9. Homogeneous air and gas fuel mixture comes to combustion chamber. Preliminary air and fuel mixing renders possible to lower exhaust gas emission to 24 ppmv at 15% O2 at electrical loading range 0 to 100%

Heated to 9260C exhaust gases come to turbine 7 wheel and while widening rotate it and compressor wheel and high-speed generator placed on this shaft.

Leaving turbine 7 exhaust gas with temperature of 648° come to recuperative heat exchanger through the gas duct 8, and transfer their heat to the air after compressor. Exhaust gas temperature after recuperative heat exchanger is 287 °.

At recuperative heat exchanger inlet 10 is the bypass gate which directs exhaust gas through bypass gas duct 14 or directly through the recovery boiler 12. In the recovery boiler (gas-water heat exchanger) exhaust gases transfer its heat to system water, which is heated to required temperature. Exhaust gas temperature at recovery boiler outlet is 77 °.

The reducing gear is missing in the microturbine structure. Rotor rate speed is practically independent from the load and is maintained at 68 thousand rpm. It makes possible to take 100% load at ~ 0,3 sec.

Produced generator radio-frequency voltage subject to double transformation: from radio-frequency alternate to direct and then to alternate 400V with frequency of 50Hz. This provides output 3-phase voltage with regular sine wave.

Variant of usage microturbine sets TA-1 00 RCHP with built-in recovery boiler and gas booster compressor

The objects where this scheme can be applied according to SNiP 42-01-2002

1. Service and office buildings
2. Built-in, integral and roof boiler houses of domestic premises
3. Public buildings and workshops
4. Residential buildings

1. Recovery boiler
2. Gas booster compressor

Variant of usage microturbine sets TA-1 00 RCHP without gas booster compressor

The objects where this scheme can be applied according to SNiP 42-01-2002

1. Industrial buildings with pressure value according to production standards
2. Other industrial buildings
3. Boiler houses
- detached boiler houses at industrial enterprises territory
- the same at settlements
- Built-in, integral and roof boiler houses of industrial enterprises

© 2008 "The Generation Industrial Group".

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