A frequency converter – an electromechanical device consisting of an alternating current bridge (in the form of an industrial current rectifier) and a converter inverting direct current into the required parameters (amplitude, frequency) of alternating current. Together with the output thyristors and transistors, the frequency converter and the rotor (engine) make up a single device – a frequent adjustable drive, the engine control system (rotor).
The result of the use of ChRP for electric economy at the TPP:
Extension of the service life of steam generators – a decrease in temperature distortions when heated by the surfaces of steam generators of power units during their unloading.
When starting and stopping power units, as well as in other transition points of the heat -humanic system – the elimination of hydrodynamic shocks.
“Sliding” steam passing modes pass more gently for the system, fuel is spent with high efficiency.
With the maximum load of the power system, higher power capacity is noted.
In case of fluctuations in power supply to the system of current or voltage drop, a restart (autorun) becomes possible.
Optimization of fuel burning (its actual savings) reduces the number of harmful emissions into the atmosphere to 1.5%. Each saved fuel ton does not allow 1.5 tons of carbon dioxide into the air.
The effectiveness of the automatic process control system increases.
The resource -saving potential of the ChRC is an advantage that it is impossible to pass by during the construction, reconstruction and re -equipment of TPP. After all, it is not only about saving fuel and harmful emissions – the influence of the human factor in servicing the TPP is significantly reduced, and the cost of depreciation of system mechanisms is reduced.