“Harmonic Impact Charging Station Prosumer-
Rich Distribution Feeders. Link
Observed Impacts V2H Operation
Observed Impact V2H Systems Measurement
Techniques
Relevant
Standards/
Guidelines
EV-Induced
Harmonics
(3rd
, 5th
, 7th
Order)9
IEEE 519-
2022; IEC
61000-4-7;
EN
50160:2010
risking overheating.
These findings underscore that low-
power charging generates
disproportionately higher harmonic
distortion.
Evaluation involves
signal processing of
IEC 61000-
3-3:2013
(limits ≤16
A); IEC
61000-3-11
(conditional
connection,
>16 A);
. “Electromagnetic Compatibility IEC61000-3-3:2013 Flicker Analysis. “V2G Based Bidirectional Charger
Topologies and Its Control Techniques: Review.” 2022 International Conference Smart Systems and Technologies (SST), IEEE, 2022.
11
Rana, Rahul, Tejinder Singh Saggu, Shimi Sudha Letha, and Farhad Ilahi Bakhsh.
WT1803E or
equivalent; harmonic
summation index (HSI)
as proposed lab
studies.
THD evaluated at
PCC and along all
LV buses.
IEEE 519-
2022
(current
THD ≤5%);
IEC 61000-
4-7 (THD
definition)
Flicker
Index12
Rapid variations charging or
discharging power V2H systems can
cause short-term voltage fluctuations,
leading perceptible light flicker,
especially weak grids with LED
lighting.
Total
Harmonic
Distortion
(THD)-G2V
(Charging)10
During G2V operation, voltage THD at
the PCC increased from 3.23% when
EVCS operated low output power,
and 4.” Accessed May 23, 2025.
THD computed via
simulation of
SMC/MPC-
controlled V2G
converters; values
reflect idealized
system
performance.
12
Newtons 4th Ltd.”
While the PCC remained within this
threshold, Scenario (low EVCS
output injection), end-of-feeder
buses exceeded THD, posing
risks power quality and equipment
longevity.
THD captured using
power quality
analyzers (per IEC
61000-4-x);
harmonic load flow
simulations
conducted in
DIgSILENT
PowerFactory for
multiple scenarios.03% high output power.” Discover Applied Sciences no.
As per 50160:2010, “Under normal
operating conditions, the total THD of
the supply voltage shall not exceed
8% the fundamental frequency. According IEC 60050-161,
flicker the "impression of
unsteadiness visual sensation. When multiple
chargers operate simultaneously,
harmonic summation can amplify
distortion beyond limits. These values
comply with IEEE 519-2022, which
recommends current THD limit of
≤5% the PCC for systems.PAGE VEHICLE-TO-HOME (V2H) SYSTEMS
HANDBOOK
101112
10
Rusan, Marko, Krešimir Fekete, Zvonimir Klaić, and Kristijan Čvek.
Total
Harmonic
Distortion
(THD) V2G
(Discharging)1
1
During discharging (V2G), grid current
THD reduced <1.5%, and in
some cases <1%, using advanced
control techniques like Model
Predictive Control (MPC) and Sliding
Mode Control (SMC).01%
(baseline, EVCS) 5." To
ensure user comfort and equipment
Assessed using flicker
meters conforming to
IEC 61000-4-15, which
calculate short-term
(Pst, min) and long-
term (Plt, hr) flicker
severity indices. 588 (2024)
