GE T35, Инструкция по эксплуатации

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5-158 T35 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
SYSTEM SETUP CHAPTER 5: SETTINGS
5
3. Configure source n (source 2 for this example) as the current from CTY in Winding 1 in the
SYSTEM SETUP  SIGNAL
SOURCES  SOURCE 1(6)
settings menu.
SOURCE 2 NAME: “WDG 1Y”
SOURCE 2 PHASE CT: “F5”
SOURCE 2 GROUND CT: “None”
SOURCE 2 PHASE VT: “None”
SOURCE 2 AUX VT: “None”
4. Configure source n (source 3 for this example) to be used as the current in Winding 2 in the
SYSTEM SETUP

SIGNAL
SOURCES  SOURCE 1(6)
settings menu.
SOURCE 3 NAME: “WDG 2"
SOURCE 3 PHASE CT: “M1”
SOURCE 3 GROUND CT: “M1”
SOURCE 3 PHASE VT: “None”
SOURCE 3 AUX VT: “None”
5. Configure the source setting of the transformer windings in the
SYSTEM SETUP

TRANSFORMER

WINDING n
settings menu.
WINDING 1 SOURCE: “WDG 1X”
WINDING 2 SOURCE: “WDG 1Y”
WINDING 3 SOURCE: “WDG 2"
Setup method B (alternate)
This approach adds the current from each phase of the CT1 and CT2 together to represent the total winding 1 current. The
procedure is outlined as follows.
1.
Enter the settings for each set of CTs in the
SYSTEM SETUP  AC INPUTS  CURRENT BANK
settings menu, as shown for
method A.
2. Configure Source n (Source 1 for this example) to be used as the summed current in Winding 1 in the
SYSTEM SETUP

SIGNAL SOURCES

SOURCE n
settings menu.
SOURCE 1 NAME: “WDG 1"
SOURCE 1 PHASE CT: “F1 + F5”
SOURCE 1 GROUND CT: “None”
SOURCE 1 PHASE VT: “None”
SOURCE 1 AUX VT: “None”
3. Configure Source n (Source 2 for this example) to be used as the Winding 2 current in the
SYSTEM SETUP  SIGNAL
SOURCES  SOURCE n
settings menu.
SOURCE 2 NAME: “WDG 2"
SOURCE 2 PHASE CT: “M1”
SOURCE 2 GROUND CT: “M1”
SOURCE 2 PHASE VT: “None”
SOURCE 2 AUX VT: “None”
5.5.4.10 Transformer thermal inputs
SETTINGS  SYSTEM SETUP  TRANSFORMER  THERMAL INPUTS
 THERMAL INPUTS


WINDING CURRENTS:
SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
(or the user-defined name)

AMBIENT TEMPERATURE:
RTD Input 1
Range: RTD Input 1, RTD Input 2,..., RTD Input 8, dcmA
Input 1, dcmA Input 2,..., dcmA Input 8, RRTD 1,
RRTD2,..., RRTD 12, Monthly Average

TOP-OIL TEMPERATURE:
RTD Input 1
Range: RTD Input 1, RTD Input 2,..., RTD Input 8, dcmA
Input 1, dcmA Input 2,..., dcmA Input 8, RRTD 1, RRTD2,...,
RRTD 12, Monthly Average