IEC 61800-5-1:2007/AMD1:2016
(Amendment)Amendment 1 - Adjustable speed electrical power drive systems - Part 5-1: Safety requirements - Electrical, thermal and energy
Amendment 1 - Adjustable speed electrical power drive systems - Part 5-1: Safety requirements - Electrical, thermal and energy
This amendment 1 is valid for the following parts of the IEC 60317: Part 2 (1990), Part 3 (1990), Part 4 (1990), Part 10 (1972), Part 12 (1990), Part 14 (1990), Part 15 (1990), Part 16 (1990), Part 17 (1990), Part 18 (1990), Part 19 (1990), Part 20 (1990), Part 21 (1990), Part 22 (1990), Part 23 (1990), Part 24 (1990), Part 26 (1990), Part 28 (1990), Part 29 (1990), Part 30 (1990), Part 35 (1992), Part 36 (1992), Part 37 (1992) and Part 38 (1992).
Amendement 1 - Entraînements électriques de puissance à vitesse variable - Partie 5-1: Exigences de sécurité - Electrique, thermique et énergétique
Cet amendement 1 est valable pour les parties suivantes de la CEI 60317: Partie 2 (1990), Partie 3 (1990), Partie 4 (1990), Partie 10 (1972), Partie 12 (1990), Partie 14 (1990), Partie 15 (1990), Partie 16 (1990), Partie 17 (1990), Partie 18 (1990), Partie 19 (1990), Partie 20 (1990), Partie 21 (1990), Partie 22 (1990), Partie 23 (1990), Partie 24 (1990), Partie 26 (1990), Partie 28 (1990), Partie 29 (1990), Partie 30 (1990), Partie 35 (1992), Partie 36 (1992), Partie 37 (1992) et Partie 38 (1992).
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IEC 61800-5-1 ®
Edition 2.0 2016-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AM ENDMENT 1
AM ENDEMENT 1
Adjustable speed electrical power drive systems –
Part 5-1: Safety requirements – Electrical, thermal and energy
Entraînements électriques de puissance à vitesse variable –
Partie 5-1: Exigences de sécurité – Electrique, thermique et énergétique
IEC 61800-5-1:2007-07/AMD1:2016-08(en-fr)
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IEC 61800-5-1 ®
Edition 2.0 2016-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AM ENDMENT 1
AM ENDEMENT 1
Adjustable speed electrical power drive systems –
Part 5-1: Safety requirements – Electrical, thermal and energy
Entraînements électriques de puissance à vitesse variable –
Partie 5-1: Exigences de sécurité – Electrique, thermique et énergétique
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130 ISBN 978-2-8322-3611-6
– 2 – IEC 61800-5-1:2007/AMD1:2016
© IEC 2016
FOREWORD
This amendment has been prepared by subcommittee SC 22G: Adjustable speed electric
drive systems incorporating semiconductor power converters, of IEC technical committee 22:
Power electronic systems and equipment.
The text of this amendment is based on the following documents:
FDIS Report on voting
22G/338/FDIS 22G/342/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
2 Normative references
Add the following normative references:
IEC 60947-4-1:2009, Low-voltage switchgear and controlgear – Part 4-1: Contactors and
motor-starters – Electromechanical contactors and motor-starters
IEC 60947-4-1:2009/AMD1:2012
IEC 60364-4-41:2005, Low-voltage electrical installations – Part 4-41: Protection for safety –
Protection against electric shock
IEC 60364-4-41:2005/AMD1:—
3 Terms and definitions
Add the following new terms and definitions:
3.45
electronic motor overload protection
PDS/CDM/BDM circuitry which protects a motor during overload conditions by reducing
current to the motor
____________
Under preparation. Stage at the time of publication: IEC DEC 60364-4-41:2016.
© IEC 2016
Note 1 to entry: The protection circuitry is usually a combination of hardware and software.
Note 2 to entry: This protection is typically achieved through an algorithm based on the I t of the current to the
motor.
3.46
electronic power output short-circuit protection circuitry
circuitry integral to PDS/CDM/BDM that acts to significantly reduce current flow to the power
output upon sensing a short-circuit condition
Note 1 to entry: The protection circuitry is usually a combination of hardware and software.
3.47
thermal memory
ability of an overload protective system to approximate the heating and cooling of a protected
motor during operation
3.48
thermal memory retention
ability to retain a representation of the thermal state of a motor prior to shutdown or loss of
power
Note 1 to entry: Typically, this information will be used by the overload protective system to approximate the
thermal state of the motor upon restart.
Note 2 to entry: This may include an ongoing reduction of the thermal representation to reflect cooling of the motor
during shutdown or loss of power.
3.49
trip
controlled rapid reduction or elimination of the transfer of energy to any device or process
initiated by a detected fault or abnormal operating condition
4.3.6.1.4 Supply earthing systems
Add, at the end of the first bullet point, the following new sentence:
A corner-earthed system is a TN system with one phase earthed.
Add, at the end of the second bullet point, the following new sentence:
A corner-earthed system is a TT system with one phase earthed.
Add, after the third bullet point, the following new paragraph:
In a PDS designed for operation on a corner-earthed system, the
• insulation between phases of the mains supply, including the earthed phase, may be
designed for functional insulation according to clause 4.3.6.3, and
• circuits within the PDS/CDM/BDM directly connected to any phase of a corner-earthed
system shall be separated from earthed parts by at least basic insulation.
Table 7 — Insulation voltage for low voltage circuits
Replace, at the bottom of Table 7, Note 1 by the following new paragraph;
Interpolation of system voltage is not permitted when determing the impulse voltage for mains supply. Interpolation
of system voltage is permitted when determining the temporary overvoltage for mains supply.
Replace, at the bottom of Table 7, the indication "NOTE 2" by "NOTE".
– 4 – IEC 61800-5-1:2007/AMD1:2016
© IEC 2016
Add, at the bottom of Table 7, after the note, the following indication:
SOURCE: IEC 62477-1:2012, Table 9
4.3.6.4.1 Determination
Replace, in the fourth paragraph, the first bullet point by the following new bullet point:
• for low-voltage PDS, the value corresponding to the next higher impulse voltage, or 1,6
times the temporary overvoltage, or 1,6 times the working voltage shall be used (see
IEC 60664-1:2007, 5.1.6 and IEC 62477-1: 2012, 4.4.7.4.1);
4.3.6.8.3.1 General
Add, after the first paragraph, the following new paragraph:
4.3.6.8.3 also applies to components providing insulation. See 4.3.6.8.1 for the use of
component standards.
4.3.9 Output short-circuit requirements
Add, after the first paragraph, the following new paragraphs:
The short-circuit evaluation of each power output of the CDM/BDM shall include short-circuits
of both
• phase to phase, and
• each phase to earth.
If the CDM/BDM provides galvanic isolation between all power ports and a power output, then
evaluation of phase to earth short-circuits for that specific power output, and any additional
power outputs with galvanic isolation, is not necessary.
Compliance with the requirement of IEC 60364-4-41:2005/AMD1:— , Clause 411 and Annex D
is shown by
• testing according to 5.2.3.6.5, or
• supplementary protective equipotential bonding in accordance with IEC 60364-4-
41:2005/AMD1:—, 415.2.
The electronic power short-circuit protection circuitry relied on to demonstrate compliance
with the short-circuit test in 5.2.3.6.3 shall also comply with the requirement of 5.2.9.
NOTE IEC 60364-4-41:2005/AMD1:—, 411.3.2, provides more information about protection against indirect
contact in case of a short-circuit between hazardous live parts and protective earth.
Consideration shall be given to compliance with different type of system earthing (e.g. TN, TT,
IT or corner- earthed) as the short-circuit current to protective earth depends on the type of
system earthing.
NOTE Especially, the short-circuit fault current to earth is expected to be lower or equal to the rated output
current of the power output depending on system earthing.
For information requirements, see 6.3.7.
____________
Under preparation. Stage at the time of publication: IEC DEC 60364-4-41:2016.
© IEC 2016
4.4.5.2.7 Insulation requirements for coolant hoses
Add, after 4.4.5.2.7, the following new subclause:
4.4.6 Motor overload and overtemperature protection
4.4.6.1 Means of protection
A motor of a PDS shall be protected against overtemperature. Depending on the application
of the motor, one or more of the following means of protection for each motor driven shall be
selected by the PDS manufacturer:
a) thermal or electronic overload relay that complies with the applicable requirements in
IEC 60947-4-1;
b) a CDM/BDM with electronic motor overload protection according to 4.4.6.2, which might
include
i) thermal memory retention according to 4.4.6.3, and/or
ii) speed sensitivity according to 4.4.6.4.
c) a CDM/BDM with monitoring and automatic reduction of motor current based upon a
signal from a thermal sensor mounted in or on the motor according to 4.4.6.5;
d) an embedded motor thermal protection which disconnects the motor;
e) information in accordance with 6.3.8.1.
NOTE 1 a) and d) are the only possible motor overload protections in the case that several motors in parallel are
supplied from the same CDM/BDM motor power output.
For information requirements, see 6.3.8.
NOTE 2 In the United States, compliance with NFPA 70 overload protection according to NFPA 70:2014, 430.32
are achieved by a), b), c), or d); compliance with NFPA 70 overtemperature according to NFPA 70:2014, 430.126 is
achieved by b) i) and ii), c), or d) .
4.4.6.2 CDM/BDM with electronic motor overload protection
Electronic motor overload protection shall comply with 5.2.8.1 to 5.2.8.4 and is subjected to
the requirements in 5.2.9.
Adjustable electronic motor overload protection shall not be adjustable in such a way that the
limits of Table 29 are exceeded.
a) For PDS where motor and CDM/BDM are known, limits other than those in Table 29 can
be specified and tested in accordance with 5.2.8.1 to 5.2.8.4.
b) For information requirements, see 6.3.8.2.
4.4.6.3 CDM/BDM with electronic motor overload protection with thermal memory
retention
Electronic motor overload protection with thermal memory retention shall comply with 5.2.8.1
to 5.2.8.6 and is subjected to the requirements in 5.2.9.
4.4.6.4 CDM/BDM with electronic motor overload protection which is speed sensitive
Electronic motor overload protection that is speed sensitive shall comply with 5.2.8.1 to
5.2.8.7 and is subjected to the requirements in 5.2.9.
– 6 – IEC 61800-5-1:2007/AMD1:2016
© IEC 2016
4.4.6.5 CDM/BDM providing monitoring and automatic reduction of motor current by
means of thermal sensors
CDM/BDM intended to be used with motors that have thermal protection or thermal sensor in
or on the motors requiring signal interface shall be provided with means to connect to that
protection.
Insulation requirements for the connection of the thermal protector or thermal sensor shall be
taken into account.
5.1.6 Test overview
Add, in Table 17, under "abnormal operation tests", the following new test:
Electronic motor overload protection test X 5.2.8 4.4.6.2, 4.4.6.3, 4.4.6.4
Circuit functionality evaluation X X 5.2.9 4.3.9, 4.4.6.2
5.2.3.6.3.2 Location of short-circuit
Replace 5.2.3.6.3.2 by the following new subclause:
5.2.3.6.3.2 Short-circuit between phase terminals of power outputs
Power outputs shall be provided with conductors of a cross-section and material appropriate
to the rated current available at the power output. The length of the loop (forth and back) shall
be approximately 2 m, unless the size of the PDS requires a greater length, in which case the
length shall be as short as practical to perform the test.
All phase terminals of each power output tested shall be simultaneously connected together,
using an appropriate switching device.
NOTE Terminals connected to the d.c. link are, for the tests of 5.2.3.6.3.2 and 5.2.3.6.3.3, treated as phases.
Add, after 5.2.3.6.3.2, the following new subclause:
5.2.3.6.3.3 Short-circuit between phase terminals of power output and protective earth
The phase to protective earth fault condition shall be evaluated for each phase, one at a time,
as a protective earth short-circuit.
It is permitted to operate only one test per output if a symmetry per phase can be
demonstrated and if the selected phase to be tested represents the most severe case.
See Figures 11, 12 and 13 for examples.
© IEC 2016
Motor
OCPD
~
BDM
Fault loop
TN- system
PE
IEC
Key
OCPD Over current protective device
Figure 11 – Example of short-circuit test between CDM/BDM motor power output
and protective earth (motor separately earthed)
OCPD Motor
~
BDM
Fault loop
TN- system
PE
PE
IEC
Figure 12 – Example of short-circuit test between CDM/BDM motor power output
and protective earth (motor earthed through CDM/BDM)
Motor
OCPD
~
OCPD
BDM
Fault loop
TN- system
PE
IEC
Figure 13 – Example of short-circuit test between CDM/BDM d.c. link
power output and protective earth
5.2.3.6.5 Test sequence
Replace the second paragraph by the following paragraph:
For the short-circuit test of 5.2.3.6.3.2 and breakdown of components test of 5.2.3.6.4, the
PDS shall be operated until one or more of the following ultimate results are obtained:
a) the operation of electronic power output short-circuit protection circuitry;
b) the opening of a short-circuit protection device; or
c) a steady state temperature is attained after a minimum of 10 min.
Rectifier Rectifier
Rectifier
DC- link
DC- link DC- link
Inverter
Inverter Inverter
– 8 – IEC 61800-5-1:2007/AMD1:2016
© IEC 2016
Add, after the second paragraph, the following new paragraph:
For the short-circuit test of 5.2.3.6.3.3, the PDS shall be operated until one or more of the
following ultimate results are obtained:
i) an electronic power output short-circuit protection circuitry that reduces the fault current to
a value that ensures the voltage with respect to earth at the output phase under test is
reduced to 50 V a.c. or 120 V d.c. or less. The voltage reduction shall be accomplished
within 40 ms or in a time as given in IEC 60364-4-41:2005/AMD1:—, 411.3.2.2, 411.3.2.3
or 411.3.2.4, as applicable; or
ii) a disconnection is achieved by a short circuit protective device specified by the
manufacturer within the time specified in IEC 60364-4-41:2005/AMD1:—, 411.3.2.
For pass criteria, also refer to 5.2.3.6.6.
5.2.7 Hydrostatic pressure (type test and routine test)
Add, after 5.2.7, the following new subclauses:
5.2.8 Electronic motor overload protection test (type test)
5.2.8.1 General requirements
This test shall demonstrate on one sample of a representative model that the electronic motor
overload protection operates within the specified limits.
PDS/CDM/BDM series that incorporate electronic motor overload protection shall comply with
test in 5.2.8.4.
PDS/CDM/BDM series that incorporate electronic motor overload protection that has thermal
memory retention shall have one sample of the representative model used complying with the
tests in 5.2.8.4, 5.2.8.5 and 5.2.8.6.
PDS/CDM/BDM series that incorporate electronic motor overload protection that is speed
sensitive shall have one sample of the representative model used complying with the tests in
5.2.8.4 and 5.2.8.7.
5.2.8.2 Test set-up
Before all operation tests, the test sample shall be mounted, connected, and operated as
described in the temperature rise test and then subjected to the overload condition.
The motor may be simulated by an electronic load or a reactor.
5.2.8.3 Pass criteria
The PDS/CDM/BDM is required to be operational after testing and shall comply with each
requirement of the tests in 5.2.8.4, 5.2.8.5, 5.2.8.6 and 5.2.8.7.
5.2.8.4 CDM/BDM electronic motor overload protection test (type test)
For the verification of the functionality of the electronic motor overload protection, the test
shall be conducted at any current being able to verify the overload tripping condition
according to Table 29.
CDM/BDM with fixed overload protection levels shall comply with Table 29 under those fixed
settings. CDM/BDM with adjustable overload protection levels shall comply with Table 29
under the highest and lowest settings.
© IEC 2016
The electronic motor overload protection in the representative model shall trip at any point
below the limits from Table 29:
Table 29 – Maximum tripping time for electronic motor overload protection test
Multiple of current setting Maximum tripping time
7,2 20 s
1,5 8 min
1,2 2 h
NOTE 1 The current setting is defined as the rated current for the motor
according to its nameplate, which is intended to be protected.
NOTE 2 Table 29 covers the minimum requirement for electronic overload relays
of class 20 according to IEC 60947-4-1:2009, 8.2.1.5.1.1.
5.2.8.5 CDM/BDM electronic motor thermal memory retention shutdown test (type test)
The purpose of this test is to verify that the electronic motor overload protection functionality
evaluated under 5.2.8.4 maintains the thermal memory when the CDM/BDM is restarted after
a trip. The test shall be conducted under the conditions specified in 5.2.8.5.
The test is conducted as follows:
a) the thermal memory of the CDM/BDM is reset;
b) the CDM/BDM shall be operated at any multiple of current setting according to Table 29
until the overload protection trips the CDM/BDM;
c) the duration between the start of the overload condition and tripping is the first elapsed
time;
d) without removing the power supply, the test shall be restarted with the same overload
condition, within a time shorter than the first elapsed time;
e) the CDM/BDM shall be operated until the overload protection trips the CDM/BDM again;
f) the duration between the start of the second overload condition and tripping is the second
elapsed time.
Compliance is shown when the second elapsed time until tripping is less than the first elapsed
time.
For information requirements, see 6.3.8.
5.2.8.6 CDM/BDM electronic motor thermal memory retention loss of power test (type
test)
The purpose of this test is to verify that the electronic motor overload protection evaluated
under 5.2.8.4 maintains the thermal memory when the CDM/BDM is restarted after a trip and
loss of the supply voltage. The test shall be conducted under the conditions specified in
5.2.8.6.
The test is conducted as follows:
a) the thermal memory of the CDM/BDM is reset;
b) the CDM/BDM shall be operated at any multiple of current setting according to Table 29
until the overload protection trips the CDM/BDM;
c) the duration between the start of the overload condition and tripping is the first elapsed
time;
d) all power supplies shall be removed from the CDM/BDM;
– 10 – IEC 61800-5-1:2007/AMD1:2016
© IEC 2016
e) wait until all circuits for control functions cease to operate, except for circuits that are
powered by an internal source, such as a battery;
f) all power supplies shall be restored to the CDM/BDM;
g) the test shall be restarted with the same overload condition within a time shorter than the
first elapsed time;
h) the CDM/BDM shall be operated until the overload protection trips the CDM/BDM again;
i) the duration between the start of the second overload condition and tripping is the second
elapsed time.
Compliance is shown when the second elapsed time until tripping is less than the first elapsed
time.
Step e) may be waived if the manufacturer demonstrates that the stored thermal memory data
is retained for a duration long enough to ensure protection of the motor.
For information requirements, see 6.3.8.
5.2.8.7 CDM/BDM electronic motor thermal speed sensitivity test (type test)
The purpose of this test is to verify that the electronic motor overload protection functionality
evaluated under 5.2.8.4 maintains the thermal memory under reduced motor speed. The test
shall be conducted under the conditions specified in 5.2.8.7.
NOTE Motors with a fan impeller mounted on the shaft have reduced cooling at low speed.
The test is conducted as follows:
a) the thermal memory of the CDM/BDM is reset;
b) the CDM/BDM shall be operated at 40 % of the rated output frequency or voltage, while
delivering any multiple of current setting according to Table 29 until the overload
protection trips the CDM/BDM;
c) the duration between the start of the overload condition and tripping is the first elapsed
time;
d) the thermal memory of the CDM/BDM is reset;
e) the CDM/BDM shall be restarted at 20 % of the rated output frequency or voltage, with the
same overload condition;
f) the CDM/BDM shall be operated until the overload protection trips the CDM/BDM again;
g) the duration between the start of the second overload condition and tripping is the second
elapsed time.
Compliance is shown when the second elapsed time to operation of the overload protection is
less than that recorded of the first elapsed time.
If testing CDM/BDM with the values above is not possible due to the motor characteristic,
more practical values for the frequency or voltage may be selected.
For PDS where motor and CDM/BDM are known, limits of the above test settings may be
selected depending of the motor characteristic.
For information requirements, see 6.3.8.
5.2.9 Circuit functionality evaluation (routine and/or sample test)
Circuit functionality evaluation is required for the verification of hardware and software when
used for compliance with type tests as required by
© IEC 2016
a) electronic short-circuit protection according to 4.3.9, and
b) electronic motor overload protection according to 4.4.6.
Prior to being shipped from the manufacturing facility, all electronic short-circuit and motor
overload protection circuitry shall be subjected to a procedure involving
c) identification of early production faults as a sample test or routine test, and
d) verification of functionality as a routine test.
This identification and verification procedure may include one of the following:
e) in-coming component screening; or
f) a burn-in method that varies in conditions (such as duration, temperature, and similar
conditions); or
g) diagnostic test, which may be accomplished by providing signals for the software and/or
hardware.
6.3.7 Overcurrent or short-circuit protection
Add, after the last paragraph, the following new paragraphs:
When the CDM/BDM complies with the requirement of 4.3.9, the manufacturer shall state that
the electronic power output short-circuit protection circuitry meets the requirements of
IEC 60364-4-41:2005/AMD1:—, Clause 411.
In addition, the manufacturer shall specify under which conditions the electronic power output
short-circuit protection circuitry can be applied (e.g. limit of cable length, wire size, shielded
or not shielded, protective earth impedance, supply earthing system).
6.3.8 Motor overload protection
Replace 6.3.8 by the following new subclause:
6.3.8 Motor overload protection and overtemperature protection
6.3.8.1 CDM/BDM not incorporating internal electronic motor overload and
overtemperature protection
If the CDM/BDM does not incorporate electronic motor overload or motor overtemperature
protection, the installation manual shall indicate that these motor protection features are not
provided.
6.3.8.2 CDM/BDM incorporating internal electronic motor overload and
overtemperature protection
If required by 4.4.6, the installation and maintenance manuals of CDM/BDM incorporating
internal overload protection shall provide all of the following information:
a) protection in multiple of current setting;
b) tripping time;
c) instructions for adjustment.
If the internal electronic mo
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