1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 1004-7 Electronically Protected MotorsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FUR
2、THER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Electronically Protected Motors, UL 1004-7 Second Edition, Dated July 13, 2012 Summary of Topics This new edition of ANSI/UL 1004-7 includes the following changes in requirements: Addition of the Running Heating
3、Endurance Test The new requirements are substantially in accordance with Proposal(s) on this subject dated May 4, 2012. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, reco
4、rding, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental,
5、consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall U
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7、uding reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of t
8、he Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. JULY 13, 2012 UL 1004-7 t
9、r1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 13, 2012 UL 1004-7 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 13, 2012 1 UL 1004-7 Standard f
10、or Electronically Protected Motors First Edition October, 2009 Second Edition July 13, 2012 This ANSI/UL Standard for Safety consists of the Second Edition. The most recent designation of ANSI/UL 1004-7 as an American National Standard (ANSI) occurred on July 11, 2012. ANSI approval for a standard d
11、oes not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development Sy
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13、IGHT 2012 UNDERWRITERS LABORATORIES INC. ANSI/UL 1004-7-2012UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 13, 2012 ELECTRONICALLY PROTECTED MOTORS - UL 1004-7 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER RE
14、PRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .4 2 Components 4 3 Glossary .4 4 Application of Requirements 5 CONSTRUCTION 5 Spacings .5 PERFORMANCE 6 Application of UL 60730-1 to Controls used to Provide Overtemperature Protection for Motors .5 7 Application of
15、 UL 1004-3 to Controls used to Provide Overtemperature Protection for Motors . .8 8 Running Heating Endurance Test .8 MARKINGS 9 General 9 INSTRUCTIONS 10 General .9 JULY 13, 2012 ELECTRONICALLY PROTECTED MOTORS - UL 1004-7 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBU
16、TION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 This Standard is intended to be read together with the Standard for Rotating Electrical Machines General Requirements, UL 1004-1. The requirements in this Standard supplement or amend the requirements in UL 1004-1. The requirements of UL 1004-
17、1 apply unless modied by this Standard. 1.2 Motors covered by this Standard, whose overheating protection is provided by an electronic circuit, shall additionally comply with the requirements contained in the Standard for Thermally Protected Motors, UL 1004-3, with regard to Construction, Performanc
18、e, Manufacturing and Production Tests, Markings, and Instructions unless modied by this Standard. 1.3 This Standard applies to motors that rely upon an electronic circuit to prevent overheating of the motor. 1.4 The requirements in this Standard are intended to evaluate a specic motor/electronic pro
19、tector combination. When the motor, the electronic protector, or the motor/electronic protector combination is changed, the combination shall be reevaluated. 1.5 The requirements in this Standard do not cover sealed (hermetic) type compressor motors. 1.6 This Standard does not apply to motors that c
20、omply with the Standard for Impedance Protected Motors, UL 1004-2, or the Standard for Thermally Protected Motors, UL 1004-3, independent of the electronic circuit. 2 Components 2.1 Controls used to provide overheating protection for motors covered by this Standard shall comply with the requirements
21、 for protective controls contained in the Standard for Automatic Electrical Controls for Household and Similar Use, Part 1: General Requirements, UL 60730-1. 3 Glossary 3.1 For the purpose of this Standard, the following denitions apply. 3.2 ABNORMAL SWITCHING Any aberration from the normal, intende
22、d signal being fed to the motor coils. This includes, but is not limited to, a change in pulse frequency, duty cycle, and timing (i.e., overlap, amplitude, and the like). 3.3 PROTECTION SCHEME A combination of sensing and control circuits. Examples include the following: a) A combination of rotation
23、 sensing (i.e., Hall effect sensor) and a control circuit designed to take corrective action (i.e., deenergize the motor in the event that the Hall effect sensor senses a lack of intended motor speed); b) A combination of current sensing and a control circuit designed to take corrective action in th
24、e event that excessive motor current is detected. Electronic protection circuits may incorporate one or many protection schemes to provide primary or redundant overheating protection for a motor. JULY 13, 2012 ELECTRONICALLY PROTECTED MOTORS - UL 1004-7 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FU
25、RTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 4 Application of Requirements 4.1 The protection scheme or schemes relied upon to provide freedom from motor overheating due to the causes described in 6.6 (a) (d) shall be identied and then validated through test and evaluation to the St
26、andard for Automatic Electrical Controls for Household and Similar Use, Part 1: General Requirements, UL 60730-1. 4.2 Protection scheme(s) provided but not relied upon to provide freedom from motor overheating shall be disabled during evaluation and testing of the scheme(s) described in 4.1. 4.3 The
27、 circuitry associated with those scheme(s) described in 4.2, that are not relied upon to provide freedom from motor overheating, shall only be evaluated as operating circuits not as protective circuits. CONSTRUCTION 5 Spacings 5.1 Spacings at an electronic protector terminal intended to be used as a
28、 eld-wiring terminal shall not be less than those specied in Table 18.1 or Table 18.2 of UL 1004-1, as appropriate. 5.2 The adequacy of spacings shall reect the actual levels of voltage involved, which in the case of electronically protected motors may be signicantly greater or less than the nominal
29、 power line voltage. PERFORMANCE 6 Application of UL 60730-1 to Controls used to Provide Overtemperature Protection for Motors 6.1 With reference to 2.1, all performance testing required by the Standard for Automatic Electrical Controls for Household and Similar Use, Part 1: General Requirements, UL
30、 60730-1, on the control is to be performed with the control connected as intended to the motor. Exception: A motor control shall only need comply with the requirements for operating controls in UL 60730-1, if the motor coil complies with the locked rotor performance criteria in the Standard for The
31、rmally Protected Motors, UL 1004-3, with motor control disconnected from the motor coils, and the power supply for the motor control connected directly across a single motor coil or any combination of motor coils connected in parallel. 6.2 Any test conducted on the control that does not result in an
32、 obvious inability of the motor to operate as intended, characterized by a cessation of rotation, shall not result in a temperature of the motor windings in excess of the values specied in Table 32.2 of UL 1004-1. Cessation of rotation is considered to be independent of an inability to start. 6.3 An
33、y test conducted on the control that results in an obvious inability of the motor to operate as intended, characterized by a cessation of rotation, shall not result in a temperature of the motor windings in excess of the values specied in Table 41A.1 of UL 1004-3. Cessation of rotation is considered
34、 to be independent of an inability to start. JULY 13, 2012 ELECTRONICALLY PROTECTED MOTORS - UL 1004-7 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 6.4 Any abnormal test conducted on the electronic protection circuit that terminates as a
35、 result of a component failure, that failure mode shall be evaluated in a manner consistent with the requirements of UL 60730-1 to ensure that the result is reliable and consistent. 6.5 Controls evaluated to provide required motor overtemperature protection shall provide the following required safet
36、y functions when evaluated to the requirements of UL 60730-1: a) Locked rotor protection The control shall not allow motor temperatures in excess of those specied in Table 41A.1 of UL 1004-3 under any test condition required by UL 60730-1. b) Loss of phase (power supply phase not motor phase): 1) Wh
37、ere loss of a power supply phase does not result in a cessation of rotation, the temperature of the motor windings shall not exceed the values specied in Table 41C.1 of UL 1004-3. 2) Where loss of a power supply phase results in a cessation of rotation, the temperature of the motor windings shall no
38、t exceed the values specied in Table 41A.1 of UL 1004-3. 6.6 The electronic control evaluated by this Standard shall provide freedom from overheating of the motor caused by the following events: a) Locked rotor; b) Loss of phase (power supply phase, not motor phase); c) Abnormal switching; and d) Ru
39、nning heating (at manufacturers option and declaration). 6.7 Compliance of controls to the requirements of UL 60730-1 shall be achieved through declarations by the control manufacturer. The information required is specied in Table 7.2DV of UL 60730-1. Table 6.1 species the declarations necessary for
40、 a motor control evaluated to the requirements of this Standard. JULY 13, 2012 ELECTRONICALLY PROTECTED MOTORS - UL 1004-7 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Table 6.1 Motor Control Correlation Table UL 60730-1 Table 7.2DV item
41、 number Information Motor control requirement 6 Purpose of control Protective control (temperature) 7 Type of load controlled AC motor load 29 Type of disconnection or interruption Any dened 39 Type 1 or Type 2 action Type 2 40 Additional features Must be declared as automatic or manual reset 49 Pol
42、lution degree Pollution degree to be determined by reference to UL 1004-1, 18.9. 52 The minimum parameters of any heat dissipater (heat sink) not provided with an electronic control but essential to its correct operation Must be specied 53 Output waveform if other than sinusoidal Must be specied 58a
43、 Required protection/immunity from mains borne perturbations, magnetic and electromagnetic disturbances Required a 60 Surge immunity IEC 61000-4-5 installation Class 3. Overvoltage category to be determined by reference to UL 1004-1, 18.9. 69 Software Class Software Class B 74 External load and emis
44、sion control measures to be used for test purposes Intended motor a For the purpose of the tests specied in Annex H, Section 26 of UL 60730-1, the products covered by this Standard should be considered as: a) Installation Class 3 (See Annex R, UL 60730-1); b) Overvoltage Category III for controls in
45、tended to be permanently wired; c) Overvoltage Category II for controls intended to be cord connected; or d) Test Level 3. JULY 13, 2012 ELECTRONICALLY PROTECTED MOTORS - UL 1004-7 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 7 Applicati
46、on of UL 1004-3 to Controls used to Provide Overtemperature Protection for Motors 7.1 With reference to 1.2, motors with associated protection circuits shall be evaluated to the requirements of UL 1004-3 in accordance with the operating functionality that is emulated by the control, i.e., that a cir
47、cuit that operates in a manner similar to an automatically reset protector shall be tested and evaluated to the requirements contained in UL 1004-3 for automatically reset protection as an overtemperture protection means. 7.2 For those electronically protected motors that, at the manufacturers optio
48、n, are evaluated and tested for running heating protection in addition to locked rotor protection, if the maximum temperature recorded during the Running Heating Temperature Test is higher than that recorded during the Locked Rotor Temperature Test, then the Running Heating Endurance Test of Section
49、 8, shall be conducted in lieu of the Locked Rotor Endurance Test. 7.3 If the maximum temperatures recorded during both the Running Heating Temperature Test (if conducted) and the Locked Rotor Temperature Test do not exceed the maximum normal temperature for the relevant insulation Class then neither endurance test need be conducted. 8 Running Heating Endurance Test 8.1 Immediately following the Running Heating Temperature Test, the motor is to be re-energized in the overload condition causing the maxim
