=====  Co-Generation System  =====

====  System Overview  ====

The co-generation system consists of a number of stages to harness energy from superheated hot water. A simple overview follows:

  - Four solar thermal concentrator panels (STC) are located on the rooftop, they superheat potable water (the building has both mains water supply and two rainwater tanks).
  - The hot water (~180°C) is first delivered to an ORC (Organic Rankine Cycle) turbine which generates power for the battery storage system.
  - The waste water from the ORC (~120°C) is fed into an absorption chiller (undergoes heat exchange) to augment building air conditioning and supply the air-conditioning laboratories.
  - The waste water from the chiller (~60°C), which is still potable is then dumped into the building hot water systems for general purpose use.

====  Specifications Overview  ====

  * Solar Thermal Concentrator Brand: PolyTrough 1200B 
  * ORC Turbine: Eneftech ENEFCOGEN Green 10kWe
  * Chiller: Pink Chiller PC19 absorption chiller (custom)

====  PolyTrough Specifications (each)  ====

  * Thermal Efficiency > 55%
  * Nominal Output 15.8kW per module
  * Material: Speciality Aluminium with self-supporting sandwich structure of polymer/aluminium.

====  ORC Turbine  ====

  * Eneftech ENEFCOGEN green 10kWe
  * Based on Volumetric Spiral Turbine in a mini ORC system.
  * Accepts multiple thermal sources at low temperatures (120 - 200°C)
  * Rotational Speed: 1500-6000rpm
  * Power output maximum 10kW

====  Absorption Chiller  ====

  * Cooling capacity: 19kW
  * Ammonia/water based
  * Mass flow rate: 5603 kg/h

====  Downloads  ====

  * {{:technical:renewables:cb1113ed-24500-3_circuit_layout.pdf|UTS Co-Gen Plant Layout Diagram}}
  * {{:technical:renewables:111010_polytrough1200b_techspec_v10.pdf|PolyTrough 1200B Technical Specifications}}
  * {{:technical:renewables:pink_chiller_specs.pdf|UTS Pink Chiller PC19 Specifications}}
  * {{:technical:renewables:eneftech_booklet_green.pdf|Eneftech ENEFCOGEN Green Booklet}}
  * {{:technical:renewables:ptc3-000_polytrough_1200_assy-ga.pdf|Polytrough Assembly}}
  * {{:technical:renewables:suc-nepsolar-ultimo.pdf|Testimonial Yokagawa}}
  * {{:technical:renewables:airah_award.pdf|AIRAH Award}}