Megger ECVA210 User manual

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EVCA210
Electric vehicle charge-point adaptor
User guide
EN
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EVCA210 Electric vehicle charge-point adaptor
1. Introduction
Thank you for purchasing the Megger EVCA210 (Electric Vehicle Charge-point Adaptor).
For your own safety and to get the maximum benefit from your instrument, please ensure that you
read and understand the following safety warnings and instructions before using the instrument.
This user guide describes the operation and functions of the EVCA210 Electric Vehicle Charge-point
Adaptor:
Megger Limited reserves the right to change the specification of these instruments at any time
without notice.
2. GSafety Warnings
EVCA210 Electric Vehicle Charge-point Adaptor
Safety Warnings and Precautions must be read and understood before the instrument is used. They
must be observed during use.
THE INSTRUMENT MUST BE USED ONLY BY SUITABLY TRAINED AND COMPETENT PERSONS.
National Health and Safety Legislation requires users of this equipment and/or their employers to
carry out valid risk assessments of all electrical work so as to identify potential sources of electrical
danger and risk of electrical injury, such as inadvertent short circuits, so that safe working procedures
can be followed.
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EVCA210 Electric vehicle charge-point adaptor
This instrument is internally protected against electrical damage when used for the purposes of
testing electric vehicle charging points as defined herein. If used in a manner other than those
defined in this user guide the protection capabilities could be impaired with potential risk to the
operator and the instrument.
Circuit connections and exposed-conductive-parts and other metalwork of an installation or
equipment under test must not be touched during testing.
The live phase indicators are an additional safety feature which may fail; therefore safe working
practices must be observed
Check that all test leads and plugs are in good order, clean and with no broken or cracked insulation
before use.
The instrument, leads and plugs should not be used if any part is damaged.
All test leads supplied with the instrument form part of the measuring circuit of the instrument. They
must not be modified or changed in any way, or be used with any other electrical instrument or
appliance
Replacement fuses must be of the correct type and rating. Failure to fit the correctly rated fuse may
result in a safety hazard and may cause damage to the instrument in the event of an overload.
If no voltage is present between the L & N of the terminals or between the L & N of the front mains
plug socket when the EVCA210 is connected to the charging point, using the appropriate charging
plug and the charging point is in charging mode, this may be because the EVCA210 internal fuse has
blown.
In the event of no neutral (N) connection, the phase indicator LED’s will not light but phases may still
be live.
The PE Pre-Test must be carried out prior to any other testing. If this test fails, further testing must
cease, and faults must be investigated and rectified before continuing as there may be a potently high
voltage present within the charging point and on the output terminals and therefore a high risk of
electric shock to the operator and other persons nearby.
CATIV Measurement category IV: Equipment connected between the origin of the low-voltage
mains supply outside the building and the consumer unit.
CATIII Measurement category III: Equipment connected between the consumer unit and the
electrical outlets.
CATII Measurement category II: Equipment connected between the electrical outlets and the
user’s equipment.
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EVCA210 Electric vehicle charge-point adaptor
Symbols used on the instrument
FCaution: risk of electric shock
GCaution: risk of danger – consult the user instructions
tEquipment protected throughout by Double Insulation (Class II)
cEquipment complies with relevant EU Directives
Do not dispose of in the normal waste stream
gEarth (ground)
General Description
Type 1 Plug Type 2 Plug
Case contents
■1 x EVCA210 Electric Vehicle Charge-point
Adaptor
■1 x 32A Type 2 EV charging plug
■1 x 32A Type 1 EV charging plug
(EVCA210-UK Only)
■Zip-up carry case
■Quick start guide
The Electric Vehicle Charge-point Adaptor,
EVCA210, is a compact and portable unit,
designed to allow the electrical contractor to test
the function and safety of AC Mode 3 Electric
Vehicle charge points and has been specifically
designed to allow testing of charging points in
accordance with the IEC/EN 62851-1 and IEC/
HD 60364-7-722 standards, in combination with
suitable test instruments.
EV Type 1 -Charging Plug
(EVCA210-UK only)
EV Type 2
Charging Plug
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EVCA210 Electric vehicle charge-point adaptor
Required electrical tests are as follows:
1. Visual Inspection
2. Continuity of protective conductors and bonding
3. Insulation resistances
4. Earth loop impedance
5. RCD operation
6. Phase sequence (on 3-phase systems)
Required function tests to include:
1. Error handling (Earth fault)
2. Communication
3. Vehicle state
4. Mechanical locking of plug
5. Other tests as appropriate
All leads supplied with the EVCA210 form part of the measuring circuit of the adaptor and must not
be modified or changed in any way.
The EVCA210 has the following operational features:
■PE Pre-Test to test for the presence of dangerous voltages at the PE terminal, prior to
undertaking any testing, via a touch button electrode with LED lamp indication.
■Live phase-neutral indication of all three phases via LED lamps.
■Rotary switch providing PP State (Proximity Pilot) for EV vehicle presence and current
state simulation - NC, 13 A, 20 A, 32 A & 63 A.
■Rotary switch providing CP State (Control Pilot) for simulation of EV status - A, B, C
& D (C & D both vented & un-vented).
■Push button for CP (Control Pilot) Error “E” simulation (CP signal short-circuited to
PE)
■Push button for PE Error (Earth Fault) simulation.
■Five 4 mm ports for connection of suitable test instrument leads (PE, N, L1, L2 & L3)
■13A socket for simple test instrument lead connection.
■CP (Control Pilot) signal test sockets. Two 4 mm ports for connection to an
oscilloscope.
■Both Type 1 and Type 2 charging plugs
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EVCA210 Electric vehicle charge-point adaptor
General operating instructions
The EVCA210 is designed to test the function and safety of charging points mode 3 for AC charging.
This adaptor allows you to conduct tests using appropriate test instruments such as appropriate
Megger MFT Multifunction testers. With this adaptor, charging points can be tested in accordance
with IEC/EN 62851-1 and IEC/HD 60364-7-722.
Before carrying out testing with this adaptor, the operator should be familiar with all relevant
standards associated with the tests being undertaken.
The Megger EVCA210 test adaptor is designed to simulate the connection of an electrical vehicle to
the charging point under test.
Connection of the EVCA210 adaptor to a charging point triggers the charging process in the
charging point with the Control Pilot (CP) switch on the adaptor selecting the appropriate charging
mode.
1. EV test cable connector
2. CP Error “E” button
3. PE Error (Earth fault) button
4. PE Pre-Test touch pad and PE Pre-Test
warning LED
5. PP State rotary selector switch
6. CP Signal output terminals (4 mm)
7. Measuring terminals PE, N, L1, L2, L3
(4 mm)
8. Phase indicator LEDs for L1, L2, L3
terminals
9. CP State rotary selector switch
10. Mains plug socket* (Test purposes
only / Maximum 10 A)
*EVCA210-UK Front mains socket = UK 13A socket
*EVCA210 Front mains socket = Schuko socket
(CEE 7/3)
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EVCA210 Electric vehicle charge-point adaptor
The following charging capabilities can be simulated: N/C (No Connection), 13 A, 20 A, 32 A and
63 A, as well as all the possible electrical vehicle modes A, B, C (un-vented) & D (vented), via the
selection switches.
Also provided are 4 mm connection ports L1, L2, L3, N, PE and CP signal terminals to which
appropriate measuring equipment can be connected for further testing. Charging points should be
tested as part of the initial installation and checked periodically.
The Megger EVCA210 has available two connection cables with the following plug options:
Type 2 connector plug - for charging points with panel mounted socket outlet or fixed cable with
Type 2 vehicle socket connector
Type 1 connector plug* - for charging points with fixed cable and Type 1 vehicle socket connector
(Example Mitsubishi PHEV).
*Note: Only the EVCA210-UK is supplied with the Type 1 charging plug as standard
Connecting the EVCA210 test adaptor to the charging Point:
1. Connect corresponding test cable Type 1 or Type 2 to the test adaptor EVCA210
2. Connect EVCA210 to the charging point to be tested using chosen charging plug cable.
EVCA210 adaptor connection to the charging point.
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EVCA210 Electric vehicle charge-point adaptor
Testing a Charging Point
The PE Pre-Test is an integral safety
feature of the EVCA210 adaptor. It allows
the operator to test the PE conductor for
possible presence of a dangerous voltage,
prior to testing the charge point.
Under normal conditions, the PE
conductor is connected to earth and
therefore no hazardous voltage should be
present. Should a fault condition occur
e.g. if the PE conductor is connected
to a phase or any insulation within the
EVCA210 or associated plugs and cables
has been damaged, then a hazardous
situation may arise.
With the EVCA210 adaptor connected
to the charging point, touch the PE
Pre-test button with a bare finger. If the
LED indicator illuminates, then there is
a dangerous voltage present on the PE
conductor. Stop testing immediately and
investigate the circuit and rectify before
continuing. Do not touch any metal parts
while performing this test.
Possible faults are:
Voltage present on PE (e.g. connected to
phase)
PE Missing or disconnected
If the operator is isolated from ground through rubber matting or wearing gloves etc. the touch-test
result will be unreliable and an alternative method should be employed to confirm the PE connection.
Electrical Testing
The EVCA210 gives the operator the ability to connect their electrical test equipment to the charging
point under test, in a controlled and safe manner, and to undertake the electrical safety testing of the
charge point and its associated circuits. With the correct cable connected and the EVCA210 CP and
PP settings correctly set (see below for details), the operator can connect either single or multifunction
test equipment to the adaptor to undertake the following live tests:
Earth loop impedance
RCD operation
Phase sequence
Proximity Pilot - PP State
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EVCA210 Electric vehicle charge-point adaptor
With the EVCA210 adaptor connected to the charging point, use the PP State rotary switch to
simulate any of the listed current capabilities of a charging cable. Different resistances between the PP
and PE conductors define the current value, as listed in the following table:
Note: The EVCA210 does load the circuit and will not draw significant current for this measurement.
Control Pilot - CP State
With the EVCA210 adaptor connected to the charging point, use the CP State rotary switch to select
different simulated vehicle states. Different resistances between the CP and PE conductors define the
different vehicle states, as per the table below:
4mm CP Signal output ports are located on the top of the EVCA210.
These terminals are connected to the CP and PE conductors of the charging point. The green 4mm
terminal is connected to PE.
The Control Pilot function uses Pulse Width Modulation (PWM) to simulate communication between
a vehicle and charging point. The duty cycle of the PWM signal defines the possible available charging
current.
For details of the communication protocol please refer to IEC 61851-1 and any documentation
provided by the manufacturer of the charging point under test.
Selection of cable current
capability
Resistance between PP and PE
NC (No Cable) Open - Infinity
13 A 1.5 kΩ
20 A 680 Ω
32 A 220 Ω
63 A 100 Ω
Selection
of Vehicle
State
Vehicle State Resistance
between CP and
PE
Voltage at CP
terminal
A Electric vehicle not connected Open - Infinity ±12 V 1 kHz
B Electric vehicle connected, not ready
to charge
2.74 kΩ +9 V / -12 V 1 kHz
C Electric vehicle connected – ready to
charge (ventilation not required)
882 Ω +6 V / -12 V 1 kHz
D Electric vehicle connected – ready to
charge, (ventilation required)
246 Ω +3 V / -12 V 1 kHz
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EVCA210 Electric vehicle charge-point adaptor
CP Error “E”
With the CP state set to either C or D (EV connected and ready to charge) and the PP state set to any
setting except NC, by pressing the CP Error “E” button, a CP error is safely simulated. The pending
charging process should stop immediately and new charging processes prevented.
PE Error - Earth Fault simulation:
With the CP state set to either C or D (EV connected and ready to charge) and the PP state set to any
setting except NC, by pressing the PE Error button, a disconnection of the PE conductor is simulated.
The pending charging process should stop immediately and new charging processes are prevented.
Phase indicators:
There are three LED lamps (L1, L2 & L3), one for each phase. When the EVCA210 adaptor is
connected to the charging point using one of the two available charging plugs, the LED indicators will
illuminate when phase voltages are detected with respect to neutral.
Notes:
In the case of no neutral (N) conductor the LED indicators will not indicate voltage on the L1, L2 or L3
conductors.
LED indicators cannot be used for phase sequence testing or indication.
If the charging point has a single-phase output, only one LED (L1) will illuminate.
Plug socket:
The mains plug socket on the EVCA210 is intended for measuring purposes only. It is connected to
the L1, N and PE terminals of the charge point, so appropriate test instruments may be connected to
the mains plug socket for testing. In addition, this socket gives the ability to check any electric power
meter monitoring the charge point is working and/or counting correctly (load test). Therefore, an
external load may be connected, but for measuring purposes only. The maximum current is limited to
10 A. The EVCA210 is protected against overload with a 10 A fuse.
With the EVCA connected to the charging point using one of the two available charging plugs:
Line – Provides connection to L1 phase of charging point output plug/socket only
Neutral – Provides connection to Neutral pin charging point output plug/socket
Earth – Provides connection to Earth pin of charging point output plug/socket
The type of mains socket depends on the version of the EVCA210 Adaptor purchased:
EVCA210-UK Front mains socket = UK 13A socket
EVCA210 Front mains socket = Schuko socket (CEE 7/3)
4 mm Measuring Terminals L1, L2, L3, N and PE
These are directly connected to the L1, L2, L3, N and PE conductors of the tested charging point via
the connection cable. These ports are to be used ONLY for measuring purposes using an appropriate
test instrument. No load should be connected across any of the terminals.
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