FIELD: engines and pumps.
SUBSTANCE: proposed method comprises measuring current temperature downstream of low-pressure turbine Tlp and high-pressure rotor romp Rhp, relation between said magnitudes is calculated 
and said relation is compared with its threshold value 
to generate compressor unstable operation signal if 
Note here that program dependence 
is set up to be maintained unless gas turbine compressor unstable operation signal is generated and, with ignition unit cut in, said program dependence is corrected to make lower than Rhp by 28-32%. Note also that corrected dependence 
is maintained unless starting is over.
EFFECT: higher reliability higher to early detection of unstable operation.
1 dwg
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