~ 12 ~
UBZ-304
NOVATEK-ELECTRO
Tripping delay, s
Imin delay
1
100
5
171
Table 3.6 (Continued)
Settings and readings
Parameter
on LCD
Min.
value
Max.
value
Factory
setting
Message on LCD, actions
Address
Permit for protection
operation
Imin protec
0
2
2
0
–
"Off"
–
protection is off;
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable;
2
–
"On AR"
–
protection is on,
ARS is enabled.
172
Delayed start, rotor blocking
Actuation setting,
repetition factor
Start I Coef
1.3
7
5
Repetition factor is set relative to
rated current
173
Delayed start tripping
delay, s
Start I
delay
1
600
10
Time of motor starting
174
Rotor blocking tripping
delay, s
Block I
delay
0.3
300
1
175
Permit for protection
operation
St/Block
prot
0
2
1
0
–
"Off"
–
protection is off;
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable;
2
–
"On AR"
–
protection is on,
ARS is enabled.
176
Voltage protection
Minimum line voltage, V
Umin
tresh
270
415
320
177
Tripping delay for
minimum line voltage, s
Umin
delay
5
30
10
178
Permit for protection
operation for minimum
line voltage
Umin
protec
0
2
2
0
–
"Off"
–
protection is off;
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable;
2
–
"On AR"
–
protection is on,
ARS is enabled.
179
Maximum line voltage, V
Umax
tresh
330
450
415
180
Tripping delay for
maximum line voltage, s
Umax
delay
0.3
10
2
181
Permit for protection
operation for maximum
line voltage
Umax
protec
0
2
2
0
–
"Off"
–
protection is off;
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable;
2
–
"On AR"
–
protection is on,
ARS is enabled.
182
Line voltage imbalance,
V
Uimbal
tresh
15
120
35
183
Tripping delay for line
voltage imbalance, s
Uimbal
delay
1
30
5
184
Permit for protection
operation for line voltage
imbalance
Uimbal
protec
0
2
2
0
–
"Off"
–
protection is off;
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable;
2
–
"On AR"
–
protection is on,
ARS is enabled.
185
Permit for protection
operation for phase
sequence
Correct
phase
0
2
1
0
–
"Off"
–
protection is off;
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable;
2
–
"On AR"
–
protection is on,
ARS is enabled.
186
Motor phase loss with current control
Tripping delay for phase
loss, s
Phase
LossT
0.3
10
0.5
187
Permit for protection
operation
Phase Loss
Prot
0
2
1
0
–
"Off"
–
protection is off;
1
–
"OnnAR"
–
protection is on,
ARS after tripping is disable;
2
–
"On AR"
–
protection is on,
188
