Abstract: A poly-generation system includes: at least one cylinder; a reciprocating piston provided in the cylinder; an engine rotor generates a magnetic force and reciprocates with the piston; an engine stator includes an engine coil which induces an electromotive force by interference with the reciprocating engine rotor and outputs the electromotive force induced in the engine coil; and a generator which is integrally coupled with a reciprocating shaft of the piston and generates electricity using an inertial force generated by the reciprocating piston, the generator includes: an elastic member deformed by the inertial force; a generator rotor includes a generator magnet and reciprocates due to the deformation of the elastic member; a generator stator includes a generator coil and outputs an electromotive force induced in the generator coil due to interference with the generator magnet, and a generator battery stores the electromotive force induced in the generator coil.

Abstract: The duplex calorimeter, connected between a first and a second demand sides to measure a caloric heat energy between the demand sides, includes a first pipe connected to the first demand side, a second pipe connected to the second demand side, first and second branch pipes, branched into two directions between the first pipe and the second pipe, a first flow rate measuring part measuring a flow rate of the heat energy in the first branch pipe, a second flow rate measuring part measuring a flow rate of the heat energy in the second branch pipe, a temperature measuring part measuring a temperature of the heat energy in either branch pipe, and a calculating part calculating the caloric value based on the flow rate measured by the first flow rate measuring part or the second flow rate measuring part and the temperature measured by the temperature measuring part.

Abstract: According to an aspect of the present invention, there is provided A poly-generation system comprising: at least one cylinder which forms a combustion chamber; a piston provided in the cylinder and configured to reciprocate; an engine rotor which comprises an engine magnet and reciprocates in conjunction with the reciprocation of the piston; an engine stator which comprises an engine coil and outputs an electromotive force induced in the engine coil due to interference with the engine magnet to the outside; and a generator which is integrally coupled with the piston and generates electricity using an inertial force generated by the reciprocation of the piston, wherein the generator comprises: an elastic member deformed by the inertial force; a generator rotor which comprises a generator magnet and reciprocates due to the deformation of the elastic member; a generator stator which comprises a generator coil and outputs an electromotive force induced in the generator coil due to interference with the generator

Abstract: Disclosed is a duplex calorimeter which may measure a duplex calorific value using one device in a thermal energy network based on a duplex heat transaction.