Mitsubishi Electric CBV2-A01D1 Instruction Manual
PCKN-0IL738-A
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MITSUBISHI
ELECTRIC
Mitsubishi Digital Protection Relay
MELPRO
TM
– D Series
CBV2 – A01D1 VOLTAGE RELAY
INSTRUCTION MANUAL
MITSUBISHI ELECTRIC CORPORATION
Changed : Jan. 2005
Changes for the Better
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- Introduction -
Thank for your purchasing MITSUBISHI ELECTRIC MELPRO
TM
– D Series Digital Protection Relay.
Please read this manual carefully to be familiar with the functions and performances enough to use the
product properly.
Please note end users are required to be provided with this instruction manual.
For operation of the product, this manual should be used in conjunction with the following materials:
Title of document Document No.
MELPRO – D Series Protection Relay General Operation Manual PCKN-OIL750
When the protection relay is used together with a communication card, use the following documents too:
(For CC-Link)
Title of document Document No.
MELPRO – D Series Protection Relay CC-COM Communication Card (CC-Link)
Operation Manual (General information)
PCKN-OIL751
MELPRO – D Series Protection Relay CC-COM Communication Card (CC-Link)
Operation Manual (Model-specific information)
PCKN-OIL752
(For MODBUS)
Title of document Document No.
MELPRO–D Series Protection Relay RS-COM Communication Card (MODBUS)
Operation Manual (General information)
PCKN-OIL703
MELPRO–D Series Protection Relay RS-COM Communication Card (MODBUS)
Register Map (For CBV2-A01D1 Voltage Relay)
PCKN-OIL716
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– CONTENTS –
1
Features .......................................................................................................................................................4
1.1 General description ......................................................................................................................4
1.2 Features........................................................................................................................................4
2 Rating and specifications.............................................................................................................................6
2.1 General information ......................................................................................................................6
2.2 Protective elements ......................................................................................................................7
2.3 Measurement elements ................................................................................................................7
3 Characteristics .............................................................................................................................................8
3.1 Protective elements ......................................................................................................................8
3.2 Measurement elements ................................................................................................................8
3.3 Common technical data................................................................................................................9
4 Functions....................................................................................................................................................10
4.1 Protection....................................................................................................................................10
4.2 Measurement..............................................................................................................................13
4.3 Self-diagnosis .............................................................................................................................14
4.4 Communication...........................................................................................................................15
5 Configuration..............................................................................................................................................17
5.1 Internal configuration ..................................................................................................................17
5.2 External connection ....................................................................................................................20
6 Handling .....................................................................................................................................................25
6.1 Unpacking...................................................................................................................................25
6.2 Transportation and storage ........................................................................................................25
6.3 Appearance and how to pull sub unit out ...................................................................................25
6.4 How to use front control panel....................................................................................................28
7 Mounting ....................................................................................................................................................35
7.1 Mounting dimension ...................................................................................................................35
7.2 Standard operating environment ................................................................................................35
8 Test ............................................................................................................................................................36
8.1 Appearance inspection...............................................................................................................36
8.2 Characteristic test.......................................................................................................................37
9 Maintenance ..............................................................................................................................................39
9.1 Daily inspection ..........................................................................................................................39
9.2 Periodical inspection...................................................................................................................39
10 Ordering ..................................................................................................................................................... 40
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1 Features
1.1 General description
Mitsubishi Electric MELPRO-D Series is a digital protection relay product with a microprocessor for
protecting high/extra-high-voltage electric power system.
With its improved functions, including operation support using the advanced communication networks,
data saving at the power system faults and power system voltage/current measurement, this series of
protection relay will allow stable and effective control and monitoring of electric power systems as well as
provide high-reliable protection.
1.2 Features
(1) High-reliable protection
The product includes a three-phase undervoltage and a three-phase overvoltage element.
It is used to detect abnormal voltage between lines.
(2) Communication Network
- With an open field bus system, the relays can be used to build a high-speed, high-performance
network system. In addition, the relay’s multi-drop serial wiring reduces the amount of labor
required for communication wiring.
- Control of measurement values, operation status, as well as setting changes, etc., can be
performed from a remote location.
- In consideration of future network system variations and compatibility with communication
networks, communication features are mounted in the relay using a replaceable card.
(3) Measurement & Recording Functions
- Real time monitor of relay input data
The relay can measure steady state relay input values, supporting energy management.
- Fault Data Monitor
When a fault occurs, the relay saves the past 5 effective input values and harmonics data to
assist with fault analysis.
(4) Programmable Output Configuration
The operating output contacts (DO) can be set by combining the outputs of the protection relay
element using ‘OR’ logic, thereby simplifying sequence design.
(5) High Accurate Digital Computation
The digital computation using high-speed sampling minimizes the effect of high harmonics, etc., and
results in highly accurate protection.
(6) Self-diagnosis
The relay continuously monitors electronic circuits from input to output so that it can detect internal
failure before that failure causes damage on the power system, thereby improving reliability.
(7) Easy Replacement
The dimensions of the panel cutout are the same as the prior MULTICAP series. Changing from an
existing relay type to this new type is easy.
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(8) Easy Maintenance
The relays are adopted as draw-out unit mechanisms with automatic CT shorting at drawing, thereby
making maintenance easy.
(9) Easy wiring check
It is possible to carry out forced operation of the output contacts individually. This will allow an easy
wiring check.
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2 Rating and specifications
2.1 General information
Type name CBV2-A01D1
Relay without RS232C I/F 354PMB 355PMB
Style
Relay with RS232C I/F 541PMB 542PMB
Undervoltage element ×31
Protection
Overvoltage element × 3
Element
Measurement Voltage
Frequency 50 Hz 60 Hz
Voltage 57 ~ 120 V
Voltage Common use for 100 ~ 220VDC / 100 ~ 220VAC
Rating
Auxiliary
power supply
*21
Operative range
DC : 85 ~ 242 V (Range of 80 ~ 286VDC is allowable temporarily.)
AC : 85 ~ 242 V (Range of 80 ~ 253VAC is allowable temporarily.)
RUN
Indicate the result of
self-diagnosis. The lamp is lit for normal conditions
and off for abnormal.
Unit Indicate the unit symbol for measurements.
Item No., Item data
Display measurement, status, setting and option data selected with an item
number.
Display
Communication
With a communication card installed: the lamp is lit for normal conditions,
blinking during communication and off for abnormal.
With a communication card not installed: the lamp is off.
Self-diagnosis
Monitor the electronic circuit and internal power supply to output signal to
the RUN LED and
self-diagnosis output (ALARM).
For trip 2 make contacts: X4 and X5 (programmable output)
For signaling 4 make contacts: X0 to X3 (programmable output)
Configurations
For self-diagnosis
output
1 break contact: Y (open for normal result of self-diagnosis with power on)
Make
110VDC, 15A, 0.5 s (L/R = 0 s)
220VDC, 10A, 0.5 s (L/R = 0 s)
Break
110VDC, 0.3A (L/R<
40 ms)
220VDC, 0.15A (L/R<
40 ms)
For trip
Carry
1.5 A, continuously
Make and Break
500 VA (cosφ= 0.4),
60W (L/R = 0.007 s)
Max. current 5 A
Output
contacts
Capacity
For signaling and
self-diagnosis
output
Max. voltage 380VAC, 125VDC
Voltage circuit 1 VA or less (with rated current)
Zero-phase voltage circuit 0.15 VA or less (with rated current)
Burden
Auxiliary power supply circuit
For 100VDC: approx. 5 W (approx. 7W including communication card)
For 100VAC : approx. 7 VA (approx. 9VA including communication card)
For 220VDC: approx. 6 W (approx. 8W including communication card)
For 220VAC : approx. 12 VA(approx. 14VA including communication card)
Mass
Net weight of relay unit : approx. 2.3 kg
Including case : approx. 3.0 kg
Case/cover
Size : D1 type
Color : N1.5
*21 When an uninterruptible AC power source is not provided in your system for the auxiliary supply voltage, use the
type CPS1 AC/DC converter or commercially available uninterruptible power supply (UPS).
Power supply product of 24VDC or 48VDC is also available if ordered (non-standard product).
In addition, the power supply duration of the type CPS1 AC/DC converter is confirmed about 2 seconds in
combination with one MELPRO-D series relay. Therefore, in the case that the required power supply duration after
power source loss exceeds 2 seconds, please use a suitable commercial uninterruptible power supply.
When the power supply back up for the control power supply of a circuit breaker is required, it is necessary to
prepare the backup power supply different from the type CPS1 AC/DC converter.
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2.2 Protective elements
Relay without RS232C I/F 354PMB 355PMB
Style
Relay with RS232C I/F 541PMB 542PMB
Operation voltage LOCK - 10 ~ 110V (1V step)
Operation time INST - 0.1 ~ 10 s (0.1 s step)
Undervoltage
UV test
OFF
– AB phase test – BC phase test – CA phase test
When execute the relay test, enable to use the selected input
phase only. “UV test” LED turn on during selecting "UV TEST".
Operation voltage LOCK – 60 ~ 155V (1V step)
Setting
*24
Overvoltage
Operation time INST - 0.1 ~ 10 s (0.1 s step)
Forced operation Forced operation is available for any trip or signaling contact individually.
Operation indication Operation indicator LED (red) comes on when the relay operates.
2.3 Measurement elements
Relay without RS232C I/F 354PMB 355PMB
Style
Relay with RS232C I/F 541PMB 542PMB
VT primary voltage
100 ~ 999V (1V step)
1000 ~ 9990V (10V step)
10.0k ~ 99.9kV (0.1kV step)
100k ~300kV (1kV step)
Option *24
VT secondary voltage
100/√3 -110/√3 -115/√3 -120/√3 -100-110-115-120[V]
(57.7) (63.5) (66.4) (69.3)
Conversion
Indication value = Relay input value
×VT primary setting / VT secondary setting
Range *22 0.00 ~ VT primary setting / VT secondary setting ×165 [V]
Real time
Update Approx. 200 ms
Conversion
Indication value = Relay input value
×VT primary setting / VT secondary setting
Max. record
Range *22 0.00 ~ VT primary setting / VT secondary setting ×165 [V]
Conversion
Indication value = Relay input value
×VT primary setting / VT secondary setting
Display
Voltage
Fault record
*23
Range *22 0.00 ~ VT primary setting / VT secondary setting ×165 [V]
*22 The form of display depends on value range as shown in the tables below:
VT primary setting value determines the minimum number of digits to be displayed on each measurement display.
When a value to be displayed exceeds the max. value of the display range, the max. value will blink.
VT primary setting 100 ~ 500[V] 501 ~ 10000[V] 11 ~ 300[kV]
0 ~ 999[V] □□□[V] □.□□[kV] □.□[kV]
1.00 ~ 9.99[kV] □.□□[kV] □.□□[kV] □.□[kV]
10.0 ~ 99.9[kV] □□.□[kV] □□.□[kV] □□.□[kV]
Form of
display
100 ~ 999[kV] □□□[kV] □□□[kV] □□□[kV]
*23 When a communication card is connected, waveform data in the event of system fault can be read.
(See the section 4 “Function”).
*24 When the product is shipped from the factory, each setting value is “Lock” (With lock setting element) or “minimum
setting value“ (Without lock setting element).
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3 Characteristics
Common conditions
(1) Rated frequency: ±1%
(2) Ambient temperature: 20°C±10°C
(3) Aux. supply voltage: Rated voltage±2%
The conditions shown on the left
should be applied unless otherwise
specified.
3.1 Protective elements
Items Conditions Guaranteed performance
Undervoltage
element
Operation
value
Overvoltage
element
(Common conditions) Setting value ±5%
Undervoltage
element
Operation value × 105% or
less
Reset value
Overvoltage
element
(Common conditions)
Operation value × 95% or
more
Undervoltage
element
Rated voltage Æ Setting×70%
- For setting of INST
40ms or less
- For setting of 0.4s or less
Setting value ± 25ms
- For setting of 0.5s or more
Setting value ± 5%
Operation
time
Overvoltage
element
0 Æ Setting×120%
- For setting of INST
50ms or less
- For setting of 0.4s or less
Setting value ± 25ms
- For setting of 0.5s or more
Setting value ± 5%
Undervoltage
element
Setting×70% Æ Rated voltage
Reset time
Overvoltage
element
Setting×120% Æ 0
60ms or less
3.2 Measurement elements
Items Condition Guaranteed performance
Real time and max. records ±1%
Fault record
VT primary setting /
VT secondary setting ×165
±1%
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3.3 Common technical data
ITEM DESCRIPTION CONDITION STANDARD
Ambient operating
temperature
-10°C to +55°C IEC60255-6
Ambient storage and
transport temperature
-25°C to +70°C IEC60255-6
Environment
Damp heat +40°C, 95%RH, 4 days IEC60068-2-3
VT 1.15Vn, 3h Thermal
withstand
CT 40In, 1s
Circuit of 60V or below 500VAC, 1min.
Circuit of more than
60V and 500v or below
2000VAC 1min.
1) Between each circuit
and the exposed
conductive parts, the
terminals of each
independent circuit
being connected
together
2) Between independent
circuits, the terminals of
each independent circuit
being connected together
Dielectric test
Open contact 1000VAC, 1min. Between open contact poles
IEC60255-5
Impulse voltage test 5kV, 1.2µs/50µs
1) Between each circuit
and the exposed
conductive parts, the
terminals of each
independent circuit
being connected
together
2) Between independent
circuits, the terminals of
each independent circuit
being connected together
IEC60255-5
Common mode
2.5kV peak, 1MHz with 200Ω
source impedance for 2s
Between independent
circuits, and between
independent circuit and earth
High-frequency
disturbance test
Differential mode
1.0kV peak, 1MHz with 200Ω
source impedance for 2s
Across terminals of the same
circuit
IEC60255-22-1
class 3
8kV Contact discharge
Electrostatic discharge test
15kV Air discharge
IEC60255-22-2
Class 4
Radiated electromagnetic field
disturbance test
68 to 87Mhz
146 to 174MHz
420 to 470MHz
IEC60255-22-3
class 3
Fast transient disturbance test 2.0kV, 5ns/50ns, 1min IEC60255-22-4
Vibration test Refer to class 1
IEC60255-21-1
Class 1
Shock response Refer to class 2
IEC60255-21-2
Class 2
Shock withstand Refer to class 1
IEC60255-21-2
Class 1
Bump Refer to class 1
IEC60255-21-2
Class 1
Enclosure protection IP51 IEC60529
Vn: Rated voltage, In: Rated current
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4 Functions
4.1 Protection
4.1.1. Undervoltage elements
Fig. 4.1 “Undervoltage element internal function block diagram” shows operation of the undervoltage
elements.
Undervoltage element compares input voltages of voltage circuit with the operation setting. If an input
voltage is less than the specified operation level, the element outputs an operation signal when the timer
expires.
Undervoltage elem ent detected
(Operation indicator LED blinking)
Undervoltage elem ent detected
(Operation indicator LED lit)
Operation signal
(Undervoltage element)
V
AB
Undervoltage element
Voltage comparison
Timer
(trip/reset)
A
B-phase processing
BC-phase processing
Same as processing in AB-phase
V
BC
V
CA
CA-phase processing
Same as processing in AB-phase
Figure 4.1 Undervoltage element internal function diagram
4.1.2. Overvoltage elements
Fig. 4.2 “Overvoltage element internal function block diagram” shows operation of the overvoltage
elements.
Overvoltage element compares input voltages of voltage circuit with the operation setting. If an input
voltage is larger than the specified operation level, the element outputs an operation signal when the timer
expires.
Overvoltage element detected
(Operation indicator LED blinking)
Overvoltage element detected
(Operation indicator LED lit)
Operation signal
(Overvoltage element)
V
AB
Overvoltage element
Voltage comparison
Timer
(trip/reset)
A
B-phase processing
BC-phase processing
Same as processing in AB-phase
V
BC
V
CA
CA-phase processing
Same as processing in AB-phase
Figure 4.2 Overvoltage element internal function diagram
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4.1.3 General functions
(1) Setting of operation voltage
The operation voltage settings for undervoltage and overvoltage elements are indicated with voltage
values [V].
When the setting “Lock”, the elements selected are locked for operation.
(2) Setting of operation timer
The operation time settings for undervoltage and overvoltage elements are indicated with second [s].
(3) Operation display
For undervoltage element, when the input voltage becomes less than the operation setting, the
corresponding operation indicator LED will blink to allow you check the starting value.
For overvoltage element, when the input voltage becomes larger than the operation setting, the
corresponding operation indicator LED will blink to allow you check the starting value.
The LED lamp will come on as soon as an operation output is made when a period of operation time
has elapsed.
The operation indicator LED has been set to “self-hold” in the factory. This setting can be freely
changed to “auto reset”.
With the “self-hold” setting, data of the latest operation indication will be stored in the internal memory
even if the auxiliary power supply runs down.
The data stored will be cleared when the “indicator reset” switch is pressed.
Up to latest five phenomena can be stored and displayed as a history record. (Older data than the
latest five phenomena will automatically be cleared).
Item No. History Sequence of recording
311 1st phenomena
312 2nd phenomena
313 3rd phenomena
314 4th phenomena
315 5th phenomena
Latest fault record data
↓
↓
↓
Oldest fault record data
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(4) Output contacts
The signaling outputs X
0
to X3 and trip outputs X4 and X5 are all programmable type.
The factory default setting of the arrangement of these outputs is as shown in the internal function
block diagram of Figure 5.2. This setting can be freely changed by specifying outputs of the internal
elements based on the OR logic.
All the outputs have been set to “auto reset” in the factory. Any of them can be changed to “self hold”.
X
0
X
5
X
3
X4
Ｉ >>
Ｉ
>
Ｉ
>>
Ｉ >
Signaling
(4 circuits)
Trip
(2 circuits)
Set output logic as
desired by using
OR logic.
Figure 4.3 Schematic image of Programmable Outputs (example: COC4-A01)
(5) Forced operation
It is possible to carry out forced operation of any of the signaling outputs X
0
to X3 and trip outputs X4
and X
5
independently. Forced operation is useful for checking the wiring.
When forced operation is carried out, the corresponding LED lamps will come on to show the current
status of the programmable outputs. Checking the lamp status will be useful not only for wiring check
but also to check the programmable outputs arrangement.
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