PHEP 32 Flashcards
AN ISOLATED SYSTEM IS NOT CONCERNED WITH PROBLEMS DEALING WITH
INTERCONNECTED SYSTEM OPERATION
FLAT FREQUENCY CONTROL
DESCRIBES A CONTROL ARRANGEMENT WHERE ONE UNIT OF A MULTI UNIT PLANT MAY BE ASSIGNED TO CONTROL FREQUENCY
A CONTROL SCHEME IN WHICH EACH SYSTEM INTERCONNECTED BY TIE LINES IS CONTROLLING FREQUENCY SIMULTANEOUSLY IS CALLED
TIE-LINE BIAS CONTROL
A CONTROL AREA
IS ONE OR MOR SYSTEMS OPERATING WITH METERING AND CONTROL FACILITIES ON ALL OF ITS TIES TO OTHER SYSTEMS OUTSIDE OF THE CONROL AREA
THE COMBINED GOVERNOR ACTION AND INERTIA OF ALL GENERATING UNITS CONNECTED TO A SYSTEM IS USED TO ESTABLISH
THE FREQUENCY BIAS SETTING FOR THAT CONTROL AREA
INCREMENTAL LOADING REFERS MAINLY TO
THE ECONOMICAL GENERATION OF ELECTRICAL ENERGY
A PROCEDURE WHEREBY 2 SYSTEMS NOT DIRECTLY TIED TOGETHER EXCHANGE ELECTRICAL ENERGY WITH EACH OTHER THROUGH A THIRD SYSTEM TO WHICH THEY ARE MUTUALLY CONNECTED IS CALLED
WHEELING ENERGY
AN INTERSYSTEM TIE-LINE METER SHOWS HIGH FREQUENCY AND POWER FLOW OUT. THIS WOULD BE AN INDICATION OF
A LOSS OF CUSTOMER LOAD OR OVER GENERATION INTERNALLY
1 ESSENTIAL REQUIREMENT TO BE MET BEFORE 2 SYSTEMS CONSIDER INTERCONNECTING WITH EACH OTHER IS
THAT EACH HAVE THE CAPABILITY OF OPERATING INDEPENDENTLY
UNIT CONTROL OF LOAD AND FREQUENCY IS PREFERRED OVER PLANT CONTROL BECAUSE
ALL OF THE ABOVE
