KAEL ke-DP02 Manuel utilisateur
ke-DP02
Under Voltage Protection
Over Frequency
Protection
Under Frequency
Protection
TRUE RMS
Latch Function
Voltage (V)
Current (A)
Frequency ( z)
Over Voltage Protection
Under Current Protection
Over Current Protection
Volt
Vz
z
Vz
Display Functions
18
16
15
Digital Protector
One phase
Voltage – Current
and
Frequency control
General:
In one phase systems, it measures R S values of AC voltage,
current and system frequency sensitively.
ke-DP02 has many features.
Those are;
- Over Voltage Protection (o - U)
- Under Voltage Protection (u - U)
- Over Current Protection (o - C)
- Under Current Protection (u - C)
- Over Frequency Protection (o - F)
- Under Frequency Protection (u - F)
When device is turn on if its adjusted voltage and frequency in its
interval relay switch on.
If any of error occurred at the end of adjusted time relay switch off
its contact. When system return normal values, at the end of time
out relay switch on.
IMPORTANT: L - N is device supply inputs.
Thus,the applied L – N voltage must be
rated voltage of system . Otherwise normal
led makes flash and the device switched off
its output contact.
The measured frequency also must the
frequency of the system.
Special Buttons:
Select: (Up direction)
when pressing continuously,
screen displays frequency of
system. When button release
device continue to show voltage.
Reset:
If error case although disappeared
then device is not return to normal,
latch-function occurred and it
makes locked device.
Or Lock-function (only for currents)
may be occured.
After checking error in system then
restart device with pushing reset
button.
V
Re t
t
t-1
(o-U)
(u-U)
r-t t-1 r-t
Umax
Umin
Under Voltage
Over Voltage VL
Normal
Normal
Over and Under Voltage : (o-U),(u-U)
Under voltage (u-U) it can adjusted between Umin= (180 – 225 V).
Over voltage (o-U) it can adjusted between Umax=(235 –275 V).
If the voltage drops below the adjusted under voltage limit, when u-U
shows on the screen and device switch off its output contact end of the
t-1 time Normal LED turned on .In this case u-U warn appears on the
screen.
If the voltage exceed the adjusted over voltage limit, Normal LED
turned off and output relay switch off. In this case o-U warn appers on
its screen.
Hysteresis is 6 V.
I(A)
Re t
t
Sdt d-t r-t d-t r-t
o-C
u-C
%hYS
%hYS
Over and Under Current : (o-C),(u-C)
Under Current (u-C)
Over Current (o-C)
When the current of the protected system goes below the adjusted
value it switches off its output contact after d-t delay.
Normal LED turn off and relay switch off its contact .In this case
u-C warn appears on display.
When current passing through phase of the protected system
exceeds the adjusted value the device switches off its output contacts
after a proper time (d-t).Normal LED turn off and relay switch off its
contact .In this case o-C warn appears on display.
NOTE: Under current protection set value with its hysteresis must not
overlap with over current protection set value with its hysteresis or, the
under current protection set value must not be higher than the over
current protection set value.
VOC
OC
r-t r-t
Start delay time: Sd-t
It can be set between 1 and 60 seconds.It is used to prevent the switch
off from occurance because of the motor's inrush current.
This function can be disable if Sd-t value = 000 (oFF)
Return Time : r-t
it shows the delay time that device will wait to switch on its output relay
when failure ends after a switch off. It can be set between 0,5 and 99,9
seconds.
Very Over Current Coefficient : VOC (Current Very Sudden Switch
Off Protection)
It can be set by the user between 2,1 and 6.
When the current value exceeds the adjusted value within the start
delay time, the device switches off, its output contact immediately.
Very Over Current value = (o – C) x (VOC)
This function can be disable if VOC = 000 (oFF)
Over Current Coefficient : OC (Current Sudden Switch Off Protection)
It can be set by the user between 1,1 and 2.
When the current value exceeds the adjusted value without the start
delay time, the device switches off, its output contact immediately.
Over Current value = (o – C) x (OC)
This function can be disable if OC = 000 (oFF)
Voltage
measurement inputs
10 - 500 Vac
40 - 100 z
Current transformer
Power supply
230 Vac
50/60 z
X/5
1A
1A1A
X/5
1A1A
58mm
32mm
48mm
90mm
36mm
45mm
62mm
53mm
Re t
t
t-2
(o-F)
(u-F)
r-t t-2 r-t
55 Hz
45 Hz
Under Frequency
Over Frequency L1,L2,L3
Normal
Normal
f(Hz)
Over and/or Under Frequency Protection : ( 40 – 70 z )
Under Frequency be able to set between(u-F) = 40 Hz ...[(o-F) -0,4]
Over Frequency be able to set between (o-F) =[(u-F) + 0,4]...70 Hz
If required , it can be set only under frequency or only over frequency
protection as well as both of protection can be disabled.
If o-F = 55 Hz and u-F = oFF set, device works as over
frequency protector only. (if system frequency above 55 Hz, under
screen displays o-F warning and end of time t-2 relay switch off its
output contact )
if o-F = oFF and u-F = 45 Hz set , device works as under
frequency protector only . (if system frequency below 45 Hz, under
screen displays u-F warning and end of time t-2 relay switch off its
out contact.)
if o-F = oFF and u-F = oFF set, frequency protection is disabled.
LOCKING FUNCTION :
It can be controlled by two parameters. Locking time and
Locking counter. If the number of opening reaches the adjusted
locking counter withing the adjusted locking time then device
switch off its contact and locks its functions until the user
pressed Reset button.
If the locking counter is adjusted to oto then this function is
disable and device never locks itself.
L-t : Locking Time ( 001 – 060 min. )
It is well know the frequently occurring faults may damage
system. For that the device when number of faults reaches the
adjusted locking number within this locking time. This way the
system is protected and user has chance to investigate the
problem.
L-C : Locking Counter ( oto , 001 – 010 piece )
The number of faults allowed within the period L-t. If number of
faults exceeds this adjusted counter value device locks itself.
In this case (- - -) warn appears on its screen. User must press
Reset button then the fault passes in order to unlock the device.
If L- C is set to oto then this property is disabled.
V
Re
t
t
(o-U)
(u-U)
r-t
Over Voltage
1. Error VL
Normal
Normal
L- C (number of lock) = 2 piece
L- t (lock time) = 3 min. if select ;
t-1 t-1 r-t
Pushed to Reset button
and Lock have reseted.
Locked occurred
< 3 minutes
Over Voltage
2. Error
ATTENTION !!!
- Clean the device using dry dust cloth after turned off device.
- Read and follow the instruction on this manual and attached label.
Connection :
TEC NICAL INFORMATION:
Rated Voltage (Un) : 230Vac (L-N)
Operating Range : (0,8-1,1) x Un
Frequency : 50 / 60 Hz
Supply Power Consumption : < 4VA
Current Transformer Ratio : X / 5A
Current easurement Range : (for seconder current)
0,05 - 6 Amp AC
Voltage easurement Range : 10 - 500 Vac, 40 - 100Hz
(X1, X2)
Voltage easurement
Power Consumption : <1VA (for one phase)
easurement Sensitivity : %1±1 digit
Contact Current : ax. 3A / 240Vac
Device Protection Class : IP 20
Connector Protection Class : IP 00
Temperature : - 5 °C .... + 50 °C
Connection Type : To connection rail in electrical panel
Dimension :
Power supply
230 Vac
50/60 z
Current transformer
SET
Current transformer
Primer value
( 5 – 1000 ) A
SET
+
_
SET
SET
+
_
SET
+
_
SET
+
_
Return time
( r - t )
return time from error
00,5 – 99,9 (sec.)
Locking Counter
(L - C)
[oto, (001–010 pieces)]
oto: function is disabled
Locking Time
(L – t )
001 – 060 (minutes)
SET
SET
+
_
SET
+
_
SET
+
_
SET
+
_
SET
+
_
SET
+
_
SET
+
_
SET
+
_
SET
SET
_
SET
+
_
SET
+
_
SET
+
_
SET
+
_
SET
+
_
SET
SET
Return from
CURENT Menu
Over Current
( o – C)
oFF:function is disabled
Hysteresis Value
( hYS )
00.3 (3%) – 0.50 (50%)
Delay Time for Current
( d - t)
(0,1 – 60 sec.)
Start Delay Time
( Sdt )
(0,1 – 60 sec.)
oFF:function is disabled
Very Over Current
Coefficient
(VOC)
VOC = 2,1 - 6,0
oFF:function is disabled
Under Current
( u – C)
oFF:function is disabled
Over Current
Coefficient
(OC)
OC = 1,1 - 2,0
oFF:function is disabled
Lock :
Locking function for
currents.
on : function is inabled
oFF: function is disabled
+
quit
Return from
VOLTAGE Menu
Over Voltage
( o – U)
235 - 275 (V)
oFF:function is disabled
Under Voltage
( u – U)
180 - 225 (V)
oFF:function is disabled
Delay Time for Voltage
( t - 1)
00,1 – 99,9 (sec.)
Delay Time for Frequency
( t - 2)
00,1 – 99,9 (sec.) )
Over requency
( o – F )
[(u-F) + 0,4] ≤...≤ 70 Hz
oFF:function is disabled
Under requency
( u – F )
40 Hz ≤...≤ [(o-F) – 0,4]
oFF:function is disabled
Accessing
Voltage
Parameter
Accessing
Current
Parameter
ACCESSING PARAMETER MENU:
Push the SET button
during 3 seconds.
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