M‑3425A Instruction Book
2–8
To access the
STATUS
menu and begin monitoring,
proceed as follows:
1.
Press the
ENTER
pushbutton.
2.
If Level Access is active, the following is
displayed:
ENTER ACCESS CODE
0
a. Input the required Access Code, then
press
ENTER
.
b. If the proper Access Code has been
entered, the HMI will return:
LEVEL #(1,2 or 3)
Access Granted!
VOLTAGE RELAY
VOLT curr freq v/hz
V
c. Go to Step 4.
3.
If Level Access is not Active, then the
following will be displayed:
VOLTAGE RELAY
VOLT curr freq v/hz
4.
Press the Right arrow pushbutton until
the following is displayed:
STATUS
config sys STAT
5.
Press the
ENTER
pushbutton
,
the
following will be displayed:
VOLTAGE STATUS
VOLT curr freq v/hz
V
6.
Press the Right or Left arrow pushbutton
until the desired parameter is selected
(upper case), then press
ENTER
. The
HMI will display the selected parameter.
7.
Press the
ENTER
pushbutton to move
down within the
STATUS
menu to the
desired category. To exit a specific
category and continue to the next menu
category, press the
EXIT
pushbutton.
Status Monitoring (From Relay Front Panel)
The menu categories for monitored values are:
•
Voltage Status
: phase voltages, neutral
voltage, positive sequence voltage,
negative sequence voltage, zero sequence
voltage, third harmonic neutral voltage,
field ground measurement circuit, stator
low frequency injection voltage
• Current Status:
phase currents (A–B–C/a-
b-c), differential current, neutral current,
ground differential current, positive
sequence current, negative sequence
current, zero sequence current, stator low
frequency injection current
• Frequency Status
: frequency, rate of
change of frequency
• Volts/Hz Status:
volts per hertz
• Power Status
: real power, reactive power,
apparent power, power factor
• Impedance Status
: impedance (Zab, Zbc,
Zca), positive sequence impedance, field
ground resistance
•
Sync Check Status
: 25S Sync Check and
25D Dead Volt
•
BRKR Monitor
•
81A Accum. Status
• IN/OUT Status
: Status of input and output
contacts
• Timer
:
51V Delay Timer, 51N Delay Timer,
46IT Delay Timer, 24IT Delay Timer
•
Relay Temperature
• Counters
: output, alarm counter
• Time of Last Power up
• Error Codes
• Checksums:
setpoints, calibration, ROM
Summary of Contents for M-3425A
Page 1: ...Instruction Book M 3425A Generator Protection ...
Page 38: ...This Page Left Intentionally Blank ...
Page 43: ...This Page Left Intentionally Blank ...
Page 57: ...xiv M 3425A Instruction Book This Page Left Intentionally Blank ...
Page 63: ...M 3425A Instruction Book 1 6 This Page Left Intentionally Blank ...
Page 95: ...M 3425A Instruction Book 2 32 This Page Left Intentionally Blank ...
Page 97: ...M 3425A Instruction Book 3 2 Figure 3 2 IPScom Main Screen ...
Page 123: ...M 3425A Instruction Book 3 28 Figure 3 30 View Sequence of Events Recorder Screen ...
Page 131: ...M 3425A Instruction Book 3 36 This Page Left Intentionally Blank ...
Page 162: ...4 31 System Setup and Setpoints 4 Figure 4 15 IPScom Relay Setup System Dialog Screen ...
Page 183: ...4 52 M 3425A Instruction Book Figure 4 32 Volts Per Hertz 24 Setpoint Ranges ...
Page 187: ...4 56 M 3425A Instruction Book Figure 4 34 Sync Check 25 Setpoint Ranges ...
Page 202: ...4 71 System Setup and Setpoints 4 Figure 4 50 49 Function Overload Curves ...
Page 203: ...4 72 M 3425A Instruction Book Figure 4 51 Stator Thermal Protection 49 Setpoint Ranges ...
Page 215: ...4 84 M 3425A Instruction Book Figure 4 62 Phase Overvoltage 59 Setpoint Ranges ...
Page 239: ...4 108 M 3425A Instruction Book Figure 4 80 Out of Step 78 Setpoint Ranges ...
Page 242: ...4 111 System Setup and Setpoints 4 Figure 4 82 Frequency 81 Setpoint Ranges ...
Page 261: ...M 3425A Instruction Book 5 6 Figure 5 5 Mounting Dimensions for GE L 2 Cabinet H3 and H4 ...
Page 277: ...M 3425A Instruction Book 5 22 Figure 5 14 M 3425A Circuit Board ...
Page 278: ...Installation 5 5 23 Figure 5 15 M 3425A Circuit Board Expanded I O ...
Page 280: ...Installation 5 5 25 Figure 5 17 20 Hz Frequency Generator Housing Panel Surface Mount ...
Page 281: ...M 3425A Instruction Book 5 26 Figure 5 18 20 Hz Frequency Generator Housing Panel Flush Mount ...
Page 282: ...Installation 5 5 27 Figure 5 19 20 Hz Band Pass Filter Housing Panel Surface Mount ...
Page 283: ...M 3425A Instruction Book 5 28 Figure 5 20 20 Hz Band Pass Filter Housing Panel Flush Mount ...
Page 284: ...Installation 5 5 29 Figure 5 21 20 Hz Measuring Current Transformer 400 5 A CT ...
Page 421: ...D 2 M 3425A Instruction Book Figure D 1 Volts Hz 24 Inverse Curve Family 1 Inverse Square ...
Page 422: ...Inverse Time Curves Appendix D D 3 Figure D 2 Volts Hz 24 Inverse Family Curve 2 ...
Page 423: ...D 4 M 3425A Instruction Book Figure D 3 Volts Hz 24IT Inverse Curve Family 3 ...
Page 424: ...Inverse Time Curves Appendix D D 5 Figure D 4 Volts Hz 24IT Inverse Curve Family 4 ...
Page 427: ...D 8 M 3425A Instruction Book Figure D 5 BECO Definite Time Overcurrent Curve ...
Page 428: ...Inverse Time Curves Appendix D D 9 Figure D 6 BECO Inverse Time Overcurrent Curve ...
Page 429: ...D 10 M 3425A Instruction Book Figure D 7 BECO Very Inverse Time Overcurrent Curve ...
Page 430: ...Inverse Time Curves Appendix D D 11 Figure D 8 BECO Extremely Inverse Time Overcurrent Curve ...
Page 437: ...D 18 M 3425A Instruction Book Figure D 15 IEEE Extremely Inverse Time Overcurrent Curves ...
Page 469: ...F 30 M 3425A Instruction Book This Page Left Intentionally Blank ...
Page 479: ...H 2 M 3425A Instruction Book This Page Left Intentionally Blank ...