COMPERE KPM83L User manual

HENAN COMPERE SMART TECHNOLOGY CO., LTD.
KPM83L Line Protection & Monitoring Deivice
User Manual

Application
Suitable for protection and monitoring of power system equipment below 35KV.
Hardware
◆Back plugging and unplugging module, separated the strong and weak electricity;
the reinforced unit chassis is designed to resist strong vibration and interference. It can
be decentralized mounted in the switch cabinet for running
◆32-bit microcomputer processor, large-capacity RAM and Flash Memory, strong
ability of data processing, logic operation and information storage, fast running speed
and high reliability
◆16-bit high-precision A/D, high measurement accuracy
◆Running and event reports can be saved no less than 32 recent events
◆Graphic LCD, menu operation
Main Features
◆Multi-tasking operating system, modular programming; good real-time performance and
high reliability.
◆Standard communication protocol for easy communication with PC monitoring or gateway.
◆Complete circuit breaker operation loop, setting the remote control function of the circuit
breaker.
◆Protection and measurement and control integration, single device interval complete main
function.
Our company reserves the right to modify this manual; if the product does not
conform to the manual, please refer to the actual product description.
2021.9

Contents
1.Device brief introduction
1.1 Overview...........................................................................................................1
1.2 Main features....................................................................................................1
1.3 Function & configuration....................................................................................1
2. Technical Parameters
2.1 Rated data........................................................................................................3
2.2 Power consumption............................................................................................3
2.3 Environmental conditions...................................................................................3
2.4 EMC performance..............................................................................................3
2.5 Electrical Insulation performance........................................................................3
2.6 Mechanical performance....................................................................................4
2.7 Measurement accuracy......................................................................................4
3. Hardware
3.1 Shape and opening............................................................................................5
3.2 Button indication................................................................................................5
3.3 Operating instructions........................................................................................6
4.
KPM83L Microcomputer Line Protection & Monitoring device......................................................9

1.Device brief introduction
1.1O verview
KPM83 series microcomputer comprehensive protection measure and control device
realizes the protection, measurement and control functions of circuits, transformers,
capacitors and motors under the voltage level of 35KV and monitoring of voltage
transformers, back-up battery automatically switching, etc.
1.2 Main features
◆Reinforced unit chassis is designed to resist strong vibration and interference, especially
suits for harsh environments. It can be decentralized mounted in the switch cabinet for running.
◆All integrated circuits use military-grade standards to ensure higher stability and reliability.
◆Using 32-bit MCU as CPU, configures large-capacity RAM and Flash Memory, with strong
ability of data processing, logic operation and information storage, fast running speed and
high reliability.
◆16-bit A/D is used for data acquisition, data acquisition is 24 points per week, and the
protection measurement accuracy is high.
◆The graphic LCD screen can display various operating states and data in real time, the
information is detailed and intuitive, and the operation and debugging are convenient.
◆Large capacity information record: It can save no less than 32 recent events historical
reports, with action parameters, power-down retention, easy for accident analysis.
◆Adopts MODBUS-RTU protocol with RS-485 communication interface. The networking is
economical and convenient, and can directly communicate with the computer monitoring and
gateway.
1.3 Function & configuration
Model
Function
KPM
83L
KPM
83T
KPM
83TD
KPM
83C
KPM
83M
KPM
83MD
KPM
83P
KPM
83B
KPM
83U
Protection
function
Cut-off acting
v
v
Differential cut-off acting protection
v
v
Over-current I
v
v
v
v
v
Over-current II
v
v
v
v
Negative sequence over-current I
v
Negative sequence over-current II
v
Inverse time overcurrent
v
Zero sequence overcurrent
v
v
v
v
v
Unbalanced zero sequence over-
current
v
Overload
v
v
v
Inverse time overload
v
Overvoltage protection
v
v
v
Zero sequence overvoltage
v
v
Unbalanced zero sequence
overvoltage
v
Low voltage protection
v
v
v
Low voltage protection I
v
Low voltage protection II
v
Low voltage inverse time zero
sequence
v
Voltage extraction
Short circuit protection
v
-1-

Protection
function
Overheating protection
v
Post acceleration
v
Reclose
v
PT disconnection
v
v
v
v
Discharge PT overvoltage
v
Non-electrical protection
v
v
v
Low-frequency load shedding
v
Power direction
v
Ratio Difference Protection of
Second Harmonic Braking
v
v
CT break detection and blocking
function
v
v
Fault Recording
v
Long startup time protection
v
Charge protection
v
v
Insulation monitoring
v
v
Control loop disconnection
Measureme
nt
function
Circuit breaker remote control
split output signal
v
v
v
v
v
IA,IB,IC,UA,UB,UC,Ia2,Ib2,Ic2,U
0, I0,P,Q,F,cos Φ,etc
v
v
v
v
Iah,Ibh,Ich,Ia1,Ib1,Ic1
v
Unbalanced current real-time
display
v
-2-

2.Technical Parameters
2.1 Rated parameters
Rated DC voltage: 220V / 100V
Rated AC data: Phase voltage 100/3V
Zero-sequence voltage 100V
AC current 5A / 1A
Zero-sequence current 1A
Rated frequency 50Hz
Thermal stability: AC voltage loop Long term running 1.2Un
AC current loop Long term running 1.2In
1s 40In
Zero-sequence current loop Long term running 1A
1s 40A
2.2 Power consumption
AC voltage loop:＜1VA/phase(rated)
AC current loop: < 1VA/phase (5A); < 0.5VA/phase (1A)
Zero-sequence current loop:＜0.5VA
Protection power loop:<12W (normal condition); <15W(Under the protectionaction)
2.3 Environmental conditions
Working Environment:
Operating temperature:-25℃~+55℃. The wettest month's monthly average maximum relative
humidity is 90%,while the monthly average minimum temperature of the month is 25 °C and no
condensation in the surface,While the maximum temperature is +40 °C,the average maximum
humidity does not exceed 50%
Storage Environment:
Storage temperature: -30℃～+75℃; Relative humidity: <80%
Stored rain and snow proof indoors. Ambient air does not contain acidic, alkaline or
erosive and explosive gas; no excitation is applied under the limit value, there is no
irreversible change in the device. After the temperature is restored, the device should
work normally.
Atmospheric pressure:(80kPa-110kPa <relative altitude <2km)
2.4 EMC performance
Pulse group immunity: IEC61000-4-5, level 4
Can stand with of 1MHz and 100kHz damped oscillation wave pulse group leveling test
according to G B/T14598.13-1998 (the first half-wave voltage amplitude is 2.5kV, the
differential mode is 1kV)
Fast transient immunity: GB/T14598.10-1997, level 3
Radiated electromagnetic field immunity: GB/T14598.9-1995, level 3
Electrostatic discharge: GB/T14598.14-1998-4.1, level 3
2.5 Electrical insulation performance
Insulation resistance: Using open circuit voltage 500V measurement instrument to test
between each charged conductive circuit and ground (outer casing or exposed non-charged
metal parts), between AC and DC circuit, between AC current circuit and AC voltage circuit,
the instrument tests its insulation resistance value should not be less than 100MΩ.
-3-

Medium strength: The device communication loop and the 24V weak electric input and output
terminal grounded can withstand the AC voltage of 50Hz and 500V (effective value).The test
lasts for 1min without breakdown or flashover phenomenon; some of the charged conductive
circuits are grounded separately (between the outer casing and the exposed non-charged
metal parts), between the AC and the DC loop,between the AC current loop and the AC
voltage loop, can withstand AC voltage of 50Hz,2kV (effective value),and the test lasts for
1min without breakdown or flashover phenomenon.
Impulse voltage: the device communication loop and 24V weak electric input and output
terminal grounded can withstand 1kV (peak) standard lightning wave impact test; its charged
conductive terminals are respectively grounded, between AC and DC loop, between the AC
voltage loop and AC current loop, it can withstand the 5kV (peak) standard lightning wave
impact test.
2.6 Mechanical properties
Vibration response: IEC255-21-1:1998, level 1
Vibration durability: IEC255-21-1:1998,level 1
Impact response: IEC 255-21-2, level 1
Impact durability: IEC 255-21-2, level 1
Collision: IEC 255-21-2, level 1
2.7 Measurement accuracy
Analog value measurement error ≤±0.2%
Power measurement error ≤0.5%
Digital input voltage 220V resolution is no more than 2ms
Pulse input voltage 24V pulse width is not less than 10ms
-4-

KPM83L微机线路保护测控装置
河南康派智能技术有限公司
HENAN COMPERE INTELLIGENT TECHNOLOGY CO., LTD
3.Device structure and operation description
3.1 Shape and opening size
3.2 Button indication
The human-computer interaction interface provides management functions and external
communication functions for the device. The KPM83 series microcomputer integrated
protection and control device adopts a 128*64 LCD screen with backlight to provide a friendly
man-machine operation interface.
Device appearance as below:
▲-- Cursor turn up or menu turn up ◄-- Cursor move left +-- Letters & numbers
increase
▼-- Cursor turn down or menu turn down ►-- Cursor move right - -- Letters &
numbers decrease
Confirmation – Present interface confirmation Exit – Exit current interface
Reset – reset signal of accident and alarm Backup – Used for internal debugging
Note: There are 6 LED indicators on the panel, which are
Operation--Work status indicator, the device will flash continuously during normal operation,
otherwise it will continue to light (green)
Switching-in – Lights up when the circuit breaker is in the closed position (red)
Switching-off—Lights up when the circuit breaker is in the sub-position (green)
Accident--Lights up when the monitored system has a fault signal (red)
Alarm -- Lights up when the monitored system has an alarm signal (red)
Alternate--reserved for other devices
-5-

3.3 Operation instruction
Protection Set uses a unified style user interface, friendly interface. According to the
hierarchical menu mode, the prompts can be easily operated. Here is a brief introduction to
the contents of the next menu.
Main menu as below
1.R eal-time data includes measurement data and signal. When selected, the status of
the corresponding data and signal will be displayed
2.The event record shows the 32 recent events. The one displayed below the first page is the
latest event. The event record won't be lost after the device is powered off.
3. Fixed value Management including three menu:
The fixed value query and modification have the same interface. The modification interface
can modify the fixed value. The query interface cannot. After the fixed value has been
modified, retreat to fixed value management interface and select the 'fixed value setting'
menu, press the Enter key to confirm the value after input the password '000000'; Pls modify
the fixed value referring to the fixed value table.
The fixed value setting is divided into several groups according to the function. Taking
the circuit protection as an example, the following setting groups are available.
Measurement data
Signal
Real-time data Switch control
Event record
Fixed value Management
System Management
▲
Post Accel
N-T O-C
Reclose
Zero Seq OC ▼
Fixed value query
Fixed value modification
Fixed value setting
Cut-off acting
O-C I acting
O-C II acting
Overload
-6-

▲
OV Pro
LV Pro
Low Fre LS
Power Dir ▼
PT DisCon ▲
Other
'Other' includes as shown below, like setting PT CT ratio:
4. System management includes:
The system parameter is used to correct the measurement quantity; The address parameter is
the local address of the device in communication;The password modification is used to confirm
the operation authority of the device. It can be debugged by the technician with the operation authority,
or press the enter key to save after the setting the parameters fixed value according to the setting
table, the initial password is 000000. The communication parameters are used to set the
communication baud rate; the time setting is used to modify the real-time clock of the device itself; the
remote signal parameter is used to set each switch value function definition and the acquisition mode
setting in the digital input circuit; the operation parameter is used to select the display mode of the
device;
PT Ratio 00100
CT Ratio 00200
Zero Se CT Var
00100
Audio Ret T
0015.0S
Start Rec
Coeff PARA
Address PARA
Link PARA
Modify password
-7-

Set up time
RM signal PARA
Operation PARA
Telesignalling parameter
Operating parameter
5.The switch control mainly controls several devices connected to protection device by the
control circuit:
Internal circuit breaker
Internal circuit breaker
Status: Open
Control: Close
-8-

No Protection function No. Protection function
1
Cut-off acting
8
2 Two segment time limit
overcurrent 9
Overvoltage protection
3 Reverse time overcurrent 10
Low voltage protection
4 Overload 11
Low frequency load shedding
5 Post-acceleration 12
Power direction
6
Reclose
13
PT disconnection
7
Zero sequence overcurrent
Content
Index
Overc
urrent
Zero
sequence
overcurrent
Reclose
Post
acceleration
Low
frequency
load
shedding
Low
voltage
protection
Overvoltage
protection
Voltage fixed
value
0.1Un-
1Un 0.5Un-1.3Un
Current fixed
value
0In -
20In 0In -20In 0In -20In
Time fixed
value
0s-
60s 0s- 60s 0.02s- 1s 0s - 60s 0s- 60s
Fix value error <5% <5% <5% <5%
Optional fixed
value error <5%
Reclosing time 0.1s-25s
Sensitive angle 30°.4
5°.60°
Frequency error <0.01Hz
Low frequency
fixed value 46-54Hz
Low voltage
blocking fixed
value
0Un-
1Undf/dt
df/dt blocking
fixed value
0Hz/s -
10Hz/s
Current
blocking fixed
value
0In-1In 0.1In-1In
4.KPM83L Microcomputer line protection measurement and
control device
4.1 Overview
KPM83L Microcomputer line protection measurement and control device is mainly used for circuit
comprehensive protection, control and measurement under 35KV voltage.
4.2 Protection function
4.3 Measurement and control
16 wire telesignalling digital input acquisition
Remote control of circuit breaker, signal output(alarm signal, protection action signal, power
disappearance signal, Reclose action signal, cut-off acting signal, overcurrent action signal, zero-
sequence overcurrent signal);
IA, IB, IC, Ua, Ub, Uc, la2, lb2, lc2, 0U, I0, P, , QF, COS ф medium analog value;
Event sequence recording (SOE) won't loss when there is power loss.
4.4 Technical parameters
-9-

I0 > I0DZ
TOVERI0
And And
And
And
Or
Trip input BCJ action
4.5 Analog input
The analog input is: protection current la2, lb2, lc2, I0, used for overcurrent protection and
zero sequence overcurrent protection; measuring current IA, IB, IC for current monitoring and
power calculation; voltage Ua, Ub, Uc acts as a voltage blocking component and measures
voltage and power for overcurrent, direction, and low frequency load shedding; U0 is zero-
sequence voltage input, used for determining the direction in zero-sequence protection; Ux is
the decimation voltage, as a reclosing gate checking non-voltage/ synchronism input.
4.6 Protection principle
1.Overcurrent protection
The device is equipped with three-stage current
2. Zero-sequence overcurrent protection
Zero-sequence over-current protection is set for the grounding system. When the system is a
small-current grounding system, the zero-sequence protection can be set to act on the signal,
the zero-sequence protection acts on the trip or signal, or can be selected by the control word,
and can be selected by control word whether to block by direction.
The direction of zero-sequence overcurrent is divided
into large current grounding system and small current
grounding system. In the fault of large current
grounding system, the zero-sequence current leads
the zero-sequence voltage 95 ° -110 °. So we set a
sensitive angle of 70 °, as shown on the right.
For the direction of the small current grounding system we use
the opposite action zone as the one above.
Ua
IMAX>IDZ
BCJ action
TOVERI
And
And
And Or
Or
Forward direction
UMIN＜UBS
Directional input
Low voltage blocking input
-U0
I0
U0
Sensitive line
Sensitive angle
Action zone
Non-action zone
Forward input
Directional input
Alarm output
Sensitive line
Action zone
protection, Cut-off acting + two-stage definite time Ia
limit. The current and time of each segment can Sensitive line
Non-action zone
be set independently, and the control word can be
separately set to control the retreat of the protection Ubc
of this segment.
Any of phase current amplitude is greater than the setting value,
starts component action.
The current protection blocking components are: low voltage blocking, PT disconnection
blocking, direction locking, all of them can be set and retracted by setting.
The directional element adopts the 90° wiring mode, and the schematic diagram of the
directional component action range is as shown in the right (taking la as an example).
The logical block diagram of overcurrent protection is as follows:
-10-

IMax < IBS
TUL
UMax < UDZ
And
And
And
Or
3. Overload
Overload protection is mainly used in overcurrent caused by overload when the circuit is
abnormally operated. Overload protection can be set to trip or alarm, and the functions is set by the
control word.
4. Post-acceleration
The device is equipped with post-acceleration protection. The acceleration protection after closing
includes the manual close of the fault acceleration tripping and the automatic close of the fault
acceleration tripping.
Protection principle: The current after the reclosing is greater than the fixed value of the
post-acceleration will accelerate the tripping. The control word can be set to control the
acceleration and retreat of the protection.
5. Reclose
There are two ways to start the three-phase one-time reclose: protection start and non-
corresponding start. The function of reclose can be used or exited according to the setting control
word. When the reclose is not working, u can choose the fixed control word to exit. The reclose
mode can be selected by the setting control word to not check the synchronism and non-voltage, or
check the synchronism and non-voltage. Check the synchronous/ check the line voltage without
pressure is the extracted voltage. The reclose must be put in after the charging is completed, the line
is in normal operation, there is no external blocking reclosing signal, and the charging is completed
after 15s delay.
Reclose locking signal is: manual tripping and automatic tripping
6. Overvoltage protection
Overvoltage protection is to prevent the electrical equipment from being damaged by voltages above
1.1Un for a long time. Overvoltage protection adopts line voltage in order to avoid the use of phase
voltage in the single-phase grounding caused by overvoltage protection mis operation.
The logic block diagram of overvoltage protection is as follows:
7. Low-voltage protection
The low-voltage protection function trips according to the control word when it detects that the power
supply voltage drops below the set value. In order to prevent malfunction of the voltage transformer
circuit disconnection, the current blocking is added. The protection device output is blocked when any
phase current is greater than the blocking current setting.
The logical block diagram of the Low-voltage protection is as follows:
TUH
UMax
>UDZ
Over voltage input
And BCJ action
No-voltage input
Current blocking
BCJ action
-11-

8. PT disconnection check
The device has a PT disconnection check function. It will send an alarm signal when detects
the PT is disconnected.
PT disconnection criterion:
①There is a phase voltage less than a fixed value, and a phase current is greater
than 0.04In, used to detect three-phase voltage loss and asymmetric disconnection;
②The negative sequence voltage is greater than the fixed value, used to detect asymmetric
disconnection.
After satisfying any of the above conditions, the device reports that the PT is
disconnected after 3s delay.
The criterion ① is mainly used to determine the symmetry three-phase disconnection,
also as supplement of the asymmetric disconnection at the same time.
The current blocking condition is added to prevent the protection device falsely
transmitting an alarm signal when no voltage is applied during the debugging process.
The criterion ② is specifically used to determine whether there is PT asymmetric
disconnection.
9. Low frequency load shedding function
The device is equipped with low-frequency load shedding function with low voltage blocking, current
blocking and slip blocking. When the device is put into operation, if the frequency exceeds its
normal range (45Hz-55Hz), the low frequency load shedding function is blocked. If the voltage is too
low, it may be a fault state. The protection device should trip and block the low frequency load
shedding function. If the current is too small, it may not be caused by the frequency reduction
caused by this circuit. Even if the current is reduced, it still won't be functioning, so the protection
device will block the low frequency load shedding function too. The A and C phases of the device
with larger currents will be blocked. When the circuit is started with a large load such as a motor,
the system frequency is rapidly reduced, so the slip lock is used.
10. Control loop disconnection
The device is equipped with a control loop disconnection monitoring function, which uses the
combined contacts of the closing and tripping relays to judge whether the control loop is normal
through software. It is constituted by . When the fault occurs, the protection device
will send control loop disconnection alarm signal after 0.5 second delay.
11. About Bus coupler
This device can be used for the bus coupler protection. If there are special requirements, pls tell us
before ordering.
-12-

Fig 1 KPM83L Microcomputer line protection measurement and control device
terminal diagram (DC with anti-trip)
X1
01
02
04
03
Power 1 close position
Power 2 close position
Manual closing signal
DI4
DI3
Device maintenance in
Energy storage switch open
Reclose locking/manual
tripping digital input
Spring without energy
storage
Grounding knife status
Signal reset
Remote location
01
02
04
03
08
07
06
05
13
14
15
16
11
12
10
09
Handcart test position
(upper knife)
Handcart test position
(lower knife)
13
14
15
16
11
12
10
Circuit Reclose out
10
12
11
16
15
14
13
X6
Signal power +
Protecting action
signal output
No power supply signal
output
Manual closing 05
Closer out 07
Power supply + 01
Tripping out 37
Manual tripping 33
Protection tripping 31
Remote control allowed 11
01
02
03
17
18
19
20 18
17
Power supply - 02
Alarm signal output
DC 220V +
DC 220V -
X5
X3
X4
RS4 8 5 B
RS4 8 5 A
MAS K
01
02
04
03
08
07
06
05
09
01
02
04
03
08
07
06
05
09
17
19
23
21
09
11
13
15
05
07
03
01
Uc
Ua
U0
IC
IA
Ic
Ib
Ia
Un
Ub
U0n
In
IB
Icn
Ibn
Ian
X7
I0 I0n
18
20
24
22
10
12
14
16
06
08
04
02
UX UXn
Ground signal output
Protection trip signal
output
Control circuit
disconnection output
Reclosing action signal
output
Measurement CT
current
Bus-bar PT
voltage
Protection CT
current
Zero sequence CT
current
Bus-bar PT no-volt
Circuit PT voltage
-13-
PT disconnection
signal output
Close position signal
Trip position signal
Self trip alarm
signal output

Fig 2 KPM83L Microcomputer line protection measurement and control
device wiring diagram (DC with anti-trip)
-14-
KK contactor position chart
Double PT connection
Close signal
Trip signal
Energy storage
switch trip
Accident
signal output
Protection trip
Signal output
Ground
signal output
Control loop
disconnection
output
Manual close
signal
Power supply 2
position
Remote position
Signal reset
Trolley test
position
Trolley run
position
Ground knife
status
Spring without
energy storage
Reclose block/
manual trip DI
Control power -
Manual trip
Control power +
Close out
Trip out
Protection trip
Alarm signal
output
Power signal
disappears
output
Model
Angle
Terminal
No.
Trip Pre-
tripping Remote Pre-
close Close Red
Voltage
Circuit
breaker
Protection current Measurement current Zero sequence
current
Extraction
voltage
Zero sequence voltage
Protection CT
Measurement CT
Zero sequence CT
Communication port
or
or
Power supply
DI Power
Signal power
public terminal
Reset button
Reclose out
Manual trip
Control loop Signal loop
Audio signal light LCD etc.
Control
power
Signal power
Reclose
signal output
DI Loop
Device power
K
P
M
8
3
L

Fig 3: KPM83L microcomputer line protection measure and control device control principle
(DC with anti-trip)
1. Remote position means the control through the internal processing of the protection device.
The processing is not through the protection device is in-place.
2. This circuit diagram is in DC operation. If it is AC operation, please specify when ordering.
3. XM is the signal bus. In the DC control system, the signal bus and control bus can use the same power
supply; if there is a separate signal power supply in the system, the voltage level (DC220V or DC24V) must
be specified when ordering.
-15-
Note:
Energy storage switch open
Close trip signal output
Ground signal output
Control loop disconnection output
Accident signal output
Power 1 close position
Power 2 close position
Manual trip signal
PT disconnection signal output
Self trip alarm signal output
Device maintenance input
Line protection cabinet（DC220V）
Reclose
Manual close
Remote close
Close maintain loop
Trip relay signal
Close relay signal
Trip maintain loop
Remote trip
Protection trip
Manual trip
Alarm signal output
Power disappears signal output
Primary device
Line protection cabinet(DC220V)
Reclose action signal output
Circuit breaker manual switch（KK）
Model
Angle
Terminal
No.
Trip Pre-open Remote Pre-close Close GreenRed
Close position signal
Trip position signal
Remote location
Signal reset
Trolley test position (upper knife)
Trolley run position (lower knife)
Ground knife status
Spring without energy storage
Reclose block/manual trip DI
DI3
DI4
Button

Fig 4 KPM83L Microcomputer line protection measurement and control device terminal
diagram (DC without anti-trip)
-16-
X1
X6
X5
X3
X4
RS485B
RS485A
MASK
X7
Trip position signal
Close position signal
Protect trip
signal output
Ground
signal output
Control loop
disconnection output
Reclose action
signal output
Protect CT
current
Measure CT
current
Zero sequence CT
current
Line PT no volt
Bus PT no volt
Bus PT voltage
Energy storage switch open
Power 1 close
Power 2 close
Manual close signal
PT disconnection
signal output
Self trip alarm
signal output
Device maintenance input
Signal supply +
Remote location
Signal reset
Trolley test position (upper knife)
Trolley run position (lower knife)
Ground knife status
Spring without energy storage
Reclose block/manual DI trip
DI3
DI4
Reclose out
Manual close
Control power +
Close out
Trip out
Manual trip
Remote permission
Protection trip
Alarm signal output
Protect action
signal output
Power disappears
signal output
DC220V +
DC220V -

Fig 5 KPM83L Microcomputer line protection measurement and control device wiring
diagram（AC without anti-trip）
-17-
保
护
CT
测
量
CT
零
序
CT
或
或
KK contactor position chart
Model
Angle
Terminal
No.
Trip Pre-
tripping Remote Pre-
close Close Red
Close signal
Trip signal
Energy storage
switch trip
Manual close
signal
Power supply 2
position
Remote position
Signal reset
Trolley test
position
Trolley run
position
Ground knife
status
Spring without
energy storage
Reclose block/
manual trip DI
Signal power
public terminal
DI Loop
DI power
Reset button
Control
power
Voltage
Protection current Measurement current
Double PT connection
Circuit
breaker
Manual trip
Control power +
Close out
Trip out
Protection trip
Zero sequence
current
Extraction
voltage
Zero sequence
voltage
Reclose out
Manual trip
Control loop
Accident
signal output
Protection trip
Signal output
Ground
signal output
Control loop
disconnection
output
Alarm signal
output
Power signal
disappears
output
Communication port
Power supply
Signal loop
Reclose
signal output
Device power
Audio signal light LCD etc.
Signal power
K
P
M
8
3
L