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GB/T 14048.12-2016 English PDF

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GB/T 14048.12-2016: Low-voltage switchgear and controlgear -- Part 4-3: Contactors and motor-starters -- AC semiconductor controllers and contactors for non-motor loads
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GB/T 14048.12: Evolution and historical versions

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GB/T 14048.12-2016English1314 Add to Cart 4 days [Need to translate] Low-voltage switchgear and controlgear -- Part 4-3: Contactors and motor-starters -- AC semiconductor controllers and contactors for non-motor loads Valid GB/T 14048.12-2016
GB/T 14048.12-2006EnglishRFQ ASK 6 days [Need to translate] Low-voltage switchgear and controlgear -- Part 4-3: Contactors and motor-starters -- AC semiconductor controllers and contactors for non-motor loads Obsolete GB/T 14048.12-2006

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GB/T 14048.4   GB 14536.11   GB 14536.15   GB/T 14048.9   GB/T 14048.11   GB/T 14048.14   

Basic data

Standard ID GB/T 14048.12-2016 (GB/T14048.12-2016)
Description (Translated English) Low-voltage switchgear and controlgear -- Part 4-3: Contactors and motor-starters -- AC semiconductor controllers and contactors for non-motor loads
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K32
Classification of International Standard 29.130.20
Word Count Estimation 66,631
Date of Issue 2016-12-13
Date of Implementation 2017-07-01
Older Standard (superseded by this standard) GB/T 14048.12-2006
Regulation (derived from) National Standard Notice No.87 of 2016
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 14048.12-2016: Low-voltage switchgear and controlgear -- Part 4-3: Contactors and motor-starters -- AC semiconductor controllers and contactors for non-motor loads


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Low-voltage switchgear and controlgear - Part 4-3. Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads ICS 29.130.20 K32 National Standards of People's Republic of China Replace GB/T 14048.12-2006 Low voltage switchgear and control equipment Part 4-3. contactors and motor starters Non-motor load AC semiconductor controllers and contactors Part 4-3. Contactorsandmotor-starters- (IEC 60947-4-3..2014, IDT) 2016-12-13 release.2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released Time..2017-03-28 Pricing. $ 75 Directory Preface III Introduction Ⅴ 1 Scope 1 2 normative reference document 1 3 terms, definitions, symbols and abbreviations 2 3.1 Definition of AC semiconductor control appliances (non-motor load) 3.2 blank 7 3.3 Symbols and Abbreviations 7 Category 4 Characteristics of AC semiconductor controllers and contactors 5.1 Features Summary 8 5.2 Electrical type 8 5.3 Main circuit rating and limit value 9 5.4 Use Category 11 5.5 control circuit 5.6 auxiliary circuit 13 5.7 blank 13 5.8 Coordination with short circuit protection appliances (SCPD) 13 6 Product information 13 6.1 Content 13 6.2 mark 14 6.3 Installation, Operation and Maintenance Instructions 14 7 normal use, installation and transportation conditions 14 7.1 Normal Conditions of Use 15 7.2 Transport and storage conditions 15 7.3 Installation 15 7.4 Harmfulness and influence of electrical systems Structure and Performance Requirements 8.1 Structural requirements 15 8.2 Performance requirements 17 8.3 EMC requirements 26 9 Test 29 9.1 Test species 29 9.2 Verifying the structural requirements 9.3 Verifying performance requirements 30 General requirements for EMC testing 9.5 Routine test and sampling test 42 Appendix A (normative) Signs and identification of terminals 43 Appendix B (normative) Typical use conditions for controllers and contactors 45 Appendix C (Normative Appendix) Blank 47 Appendix D Blank 48 Appendix E Blank 49 Appendix F (informative) Operational performance 50 Appendix G Blank 52 Appendix H Blank 53 Appendix I (normative) Correction test circuit for semiconductor controller and contactor short circuit test 54 Appendix J (informative) Slotted semiconductor controller test design flow chart 56 References 57

Foreword

GB 14048 "Low Voltage Switchgear and Controlgear" currently includes the following sections. - Part 1. General; - Part 2. Circuit breakers; - Part 3. switch, isolator, isolating switch and fuse combination; - Part 4-1. Contactors and motor starters Electromechanical contactors and motor starters (including motor protector); - Part 4-2. Contactors and motor starters - Semiconductor controllers and starters for AC motors (including soft starters); - Part 4-3. Contactors and motor starters - AC semiconductor controllers and contactors for non - motor loads; - Part 5-1. Control electronics and switching elements - Electromechanical control circuits; - Part 5-2. Control circuit appliances and switching element proximity switches; - Part 5-3. Control circuit appliances and switching elements Approximate switch (PDF) with definite function under fault conditions Claim; - Part 5-4. Control circuits - Electrical and switching elements - Assessment of performance of small - capacity contacts - Special tests; - Part 5-5. Control circuit appliances and switching elements Electrical emergency braking devices with mechanical latch function; - Part 5-6. Control circuit appliances and switching elements Near the sensor and switching amplifier DC interface (NAMUR); - Part 5-7. Control circuit appliances and switching elements for approaching equipment with analog outputs; - Part 5-8. Control circuit appliances and switching elements - Three enable switches; - Part 5-9. Control circuit electrical and switching element flow switches; - Part 6-1. Multifunctional electrical switchgear; - Part 6-2. Multifunctional electrical appliances (equipment) control and protection switchgear (equipment) (CPS); - Part 7-1. Terminal blocks for auxiliary device copper conductors; - Part 7-2. Protective devices - Protection conductors for copper conductors - Terminal blocks; - Part 7-3. Safety requirements for auxiliary device fuses terminal blocks; - Part 8. Loadable thermal protection (PTC) control unit for rotating electrical machines. This part is part 4-3 of GB 14048 and is numbered GB/T 14048.12. This part is drafted in accordance with the rules given in GB/T 1.1-2009. Replacement of GB/T 14048.12-2006 "Low-voltage switchgear and controlgear - Part 4-3. Contactors and motor starting Non-motor load with AC semiconductor controller and contactor ". This section is compared with GB/T 14048.12-2006, the main changes are as follows. - Introduce the "bypass controller" concept and add the relevant terms, definitions and information about the "controller with or without bypass switch Contactor "of the requirements; Figure 1 "Legend of the controller" added two kinds of bypass electrical structure diagram; - In Chapter 6, "Product Data", the requirements for "on-off operation overvoltages" are deleted and added in 6.3 "Installation, Operation and Maintenance Instructions" A need for action; - 8.1.2 The "gossamer test" in the "material requirements" and the tests based on the flammability category; --- 8.2.1 "action conditions" to increase the bypass electrical components of the various types of action requirements and use; --- 8.2.2 "temperature rise" added when the test voltage is lower than 100V and temperature rise over 50K should take measures; --- 8.2.2.4 "main circuit" to increase the main circuit in the various types of mechanical switch electrical appliances and semiconductor electrical temperature requirements; --- Added coil and electromagnet winding temperature rise requirements and added Table 4 "Temperature limit for coils insulated in air or oil" and Table 5 "Intermittent cycle work test cycle number"; --- 8.2.4.2 "Main circuit switching device on and breaking capacity" to increase the assembly of the mechanical switch electrical related requirements; --- 8.3.2 "Launch" to modify the requirements for "launch" and "harmonics", instead of referring to the corresponding provisions in IEC 60947-1 When added; - 9.1.5 "Special test" the introduction of the original requirements for the consideration of the special test; --- 9.3.2 "general test conditions" in the program test the general conditions were added; --- 9.3.3.3 "temperature rise" in the new coil and electromagnet temperature rise test and measurement requirements; --- 9.3.3.4.1 "Type test" to delete the "hot and humid performance verification" and leave empty; --- 9.3.3.5 "Rated electrical connection and capacity of the mechanical switchgear in series in the mixed electrical appliances and the agreed operating performance" For the "mechanical switch electrical appliances connected and breaking capacity" and classification of mechanical switch electrical appliances to be specified; --- new "thermal stability test procedures" provisions; --- 9.3.4.1.1 "General requirements for short circuit test" supplemented with the requirements related to the shell; --- "9.3.4.3" Restricted short-circuit current in the controller and contactor "" General requirements "are supplemented; --- 9.4.2.2 modified the requirements of the radio frequency electromagnetic field; --- 9.4.2.4 "Surge" specifies the phase angle preferred value; --- 9.4.2.6 Amend the requirements for voltage sags and short interruptions and delete the original table 16 "Voltage sags and short interruptions"; - the deletion of the requirements of the radiation emission test in Appendix D (normative) - Delete Appendix E (informative) Method of converting the radiation emission limit in GB 4824 to the transmit power equivalent; --- Delete Appendix G (informative) Control circuit configuration distance; - delete appendix H (informative appendix) by the terms of the agreement between the user and the manufacturer; --- Added Appendix I (normative) Correction test circuit for semiconductor controller and contactor short circuit test. This part uses the translation method equivalent to IEC 60947-4-3..2014 (version 2.0) "Low-voltage switchgear and control equipment Section 4-3 Points. contactors and motor starters for non-motor load with AC semiconductor controllers and contactors. In this part of the normative reference to the international documents are consistent with the relationship between China's documents are as follows. Low - voltage switchgear and controlgear - Part 1. General (IEC 60947-1..2011, MOD); GB/T 17626 (all parts) Electromagnetic compatibility test and measurement technology [IEC 61000-4 (all parts)]. This part of the specific circumstances of China made the following editorial changes. - delete the terms in the terms and definitions; --- IEC 60410. 1973 "Sampling plan and procedure for counting inspection" has been abolished, revised version of IEC SC121A related standard , The reference to the technical content of the document has been changed to ISO 2859-1, the corresponding GB GB/T 2828.1-2012 "Counting Sampling Inspection Procedures Part 1. Sampling Plan by Batch Inspection by Reception Quality Limit (AQL)", so this part To refer to GB GB/T 2828.1-2012; - a reference to a table that has not been referenced in the terms; - "Table 3, Table 6, Table 7 and Table 8" given in paragraph 4 of the "Use category" is incorrect and changed to the correct number; --- 6.1 "data content" in the item number suspected jump number, to the correct order. This part is proposed by China Electrical Equipment Industry Association. This part of the National Low Voltage Electrical Apparatus Standardization Technical Committee (SAC/TC189) centralized. This part of the drafting unit. Shanghai Electric Science Research Institute, Shanghai Electric Branch Electric Technology Co., Ltd., Zhejiang Zhengtai Electric Co., Ltd., General Electric Enterprise Development (Shanghai) Co., Ltd., Suzhou Electric Apparatus Research Institute Co., Ltd. This part of the main drafters. Zhang Lili, Zeng Ping, Zhu Yingping, Wang Dongya, Chen Yuan, Li Hui. This part of the previous version of the standard to replace the release of the situation. --- GB/T 14048.12-2006.

Introduction

This part includes low-voltage AC semiconductor controllers and contactors (solid-state contactors) for non-motor loads. As a controller, except Jane There are many other features and features in addition to the single and non-motor loads. As a contactor, with the same mechanical contactor Function, but there are one or more semiconductor switching devices in the main circuit. Such electrical appliances may be unipolar or multipole (see IEC 60947-1..2007, 2.3.1). This section contains all necessary heat dissipation materials Materials and terminals, including a complete electrical appliances as a unit. If the manufacturer gives advice on how to choose the heatsink and how to place the appliance When installing the detailed information on the radiator, the unassembled radiator required for user assembly can be supplied with the appliance or provide. In this section, the general term for "controller" is used when the special characteristics of power semiconductor switching elements are mainly emphasized; The use of the term "contactor" is used when simply switching on and breaking characteristics; when specific features of a variety of configurations are emphasized (For example, type 4, type HxB, etc.). Low voltage switchgear and control equipment Part 4-3. contactors and motor starters Non-motor load AC semiconductor controllers and contactors

1 Scope

This part of GB/T 14048 is applicable to a non-motor operated by changing the conduction state and the off-state of the AC circuit For the use of AC semiconductor controllers and contactors, the typical application in Table 2 in the use of categories. As a controller, should be able to continue or within a specified time to reduce the load side of the AC voltage RMS value, but determined by the application of voltage The AC half-wave time should remain unchanged. This part of the electrical appliances can be equipped with a series of mechanical switch electrical appliances and connected to the rated voltage does not exceed 1000V AC Circuit. This section specifies the controller and contactor with or without bypass switch electronics. This part of the semiconductor controller and contactors are generally not used to break short-circuit current, it should be appropriate to use the appropriate short-circuit protection (See 8.2.5) form part of the electrical installation, but it is not necessary for the controller itself. Therefore, this part specifies the requirements for the use of semiconductor controllers and contactors for use with separate short-circuit protection appliances. This section does not apply to. --- AC and DC motor operation; --- Semiconductor controller and starter for low voltage AC motors specified in GB/T 14048.6; - Electronic AC power controller complying with IEC 60146 standard; With or without solid relays. The contactors and control circuits used in semiconductor controllers and contactors are required to comply with the requirements of the relevant product standards. The mechanical switchgear shall comply with the requirements of the respective product standards and the additional requirements of this part. The purpose of this section is to specify the following. A) characteristics of semiconductor controllers and contactors and associated equipment; B) The condition that the semiconductor controller and the contactor meet in the following respects. --- Operational performance; --- Dielectric properties; --- enclosure protection class (if any); ---structure; C) verify the method used to test and test the conditions described above; D) Information provided on the equipment or in the manufacturer's instructions.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, the only dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 2828.1-2012 Counting Sampling Inspection Procedures Part 1. Batch Inspection Samples by Reception Quality Limit (AQL) Plan (ISO 2859-1..1999, IDT) GB 4824-2013 Industrial, Scientific and Medical (ISM) Radio Frequency Equipment Harassment Characteristics Limits and Methods of Measurement (CISPR11. 2010, IDT) GB 13539.1-2008 Low-voltage fuses Part 1. Basic requirements (IEC 60269-1..2006, IDT) GB/T 17626.5-2008 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test (IEC 61000-4-5. 2005, IDT) IEC 60947-1..2007 Low-voltage switchgear and controlgear - Part 1. General (Low-voltageswitchgearandcon- Trolgear-Part 1. Generalrules) IEC 60947-1..2007/A1..2010 Amendment No. 1 (Amendment 1,.2010) IEC 61000-4 (all parts) Electromagnetic compatibility - Part 4. Test and measurement techniques (Electromagneticcompatibility (EMC) -Part 4. Testingandmeasurementtechniques) 3 terms, definitions, symbols and abbreviations 3.1 Definitions of AC semiconductor control appliances (non-motor loads) IEC 60947-1..2007 A1..2010 Definitions and the following terms and definitions apply to this document. 3.1.1 AC semiconductor controller and contactor (solid state contactor) (see Figure 1) 3.1.1.1 AC semiconductor controller acsemiconductorcontroler For the exchange of electrical load (non-motor load) to provide on-off function and cut-off state of the semiconductor switch electrical appliances. Note 1. Since the semiconductor controller may have a dangerous leakage current in the off state, the load terminal is considered to be live at all times. Note 2. In the current zero-crossing (in turn or at the same time zero) in the circuit, after the zero-crossing no current flow can be equivalent to breaking current. Note 3. The definition of a semiconductor switchgear is found in IEC 60947-1..2007 2.2.3. 3.1.1.1.1 Semiconductor controller (type 4) semiconductorcontroler (form4) An AC semiconductor controller, the on-off function of which may include any of the methods specified by the manufacturer, the control function comprising a ramp Rise, load control, or any combination of ramps. The type controller can also provide an all-on state. 3.1.1.1.2 blank. 3.1.1.1.3 Direct Start (DOL) Semiconductor Controller (Type 5) semiconductordirect-on-line (DOL) controler (form5) A special type of AC semiconductor controller, its on-off function is limited to all-conduction, non-ramp mode, additional control functions only To provide a fully conductive state (also known as a semiconductor contactor or solid state contactor). Note. It is an electrical appliance that performs contactor functions using a semiconductor switchgear (see IEC 60947-1..2007, 2.2.3) (see IEC 60947-1..2007 2.2.13), with only one rest position (off state or OFF state of the HxB type hybrid controller), and the operation is completed by applying a control signal, In the normal circuit conditions, including overload conditions can carry the load current and in the conduction and cut off (off) between the state of the load with the load (circuit) status. 3.1.1.2 blank. Electrical appliances Controller (All types) Hybrid controller HxAa Where x = 4 or 5 Hybrid controller HxBb Where x = 4 or 5 Bypass controller Bypass hybrid controller c A controller and a series of mechanical switch appliances using two separate controls. B There is only one mechanical switchgear for control in series. C For other configurations, the appropriate test method can be used according to the agreement between the user and the manufacturer. Figure 1 Legend of the controller Table 1 Functions of the controller and contactors Electrical Type 4 Type 5 Semiconductor controller --- cut-off state ---ramp up --- Load control --- all conduction state --- Slope down Direct start of the semiconductor contactor No - deadline --- connected state --- all conduction state Table 1 (continued) Electrical Type 4 Type 5 Hybrid controller HxAa Where x = 4 or 5 H4A. --- Disconnected state --- cut-off state ---ramp up --- Load control --- all conduction state --- Slope down H5A. --- Disconnected state --- cut-off state --- connected state --- all conduction state Hybrid controller HxBb Where x = 4 or 5 H4B. --- Disconnected state ---ramp up --- Load control --- all conduction state --- Slope down H5B. --- Disconnected state --- connected state --- all conduction state A controller and a series of mechanical switch appliances using two separate controls. B There is only one control for the mechanical switchgear in series. 3.1.2 Hybrid controller and contactor (see Figure 1) 3.1.2.1 Hybrid controller or contactor, type HxA (where x = 4 or 5) Hybridcontrolersorcontactors, formHxA (Wherex = 4or5) As a unitary unit, a Type 4 or Type 5 semiconductor controller in series with a mechanical switchgear. NOTE. Separate control instructions are provided for tandem mechanical switches and semiconductor controllers or contactors to provide the same type of controller as the specified type of controller Has a control function with a disconnected position. 3.1.2.2 Hybrid controller or contactor, type HxB (where x = 4 or 5) Hybridcontrolersorcontactors, formHxB (Wherex = 4or5) As a unitary unit, a Type 4 or Type 5 semiconductor controller in series with a mechanical switchgear. Note. The same mechanical control switch and the semiconductor controller or contactor to provide the same control instructions. In addition to the cut-off state, it can be provided with a prescribed type Type controller corresponding to all the control functions. 3.1.2.3 Off position OPENposition The state of the hybrid semiconductor controller when the series mechanical switch is in the off position. Note. The disconnection position is defined in IEC 60947-1..2007 2.4.21. 3.1.3 Current limiting function current-limitfunction The controller limits the load current to the specified value. Note. Does not include the ability to limit transient currents under short circuit conditions. 3.1.4 Load control loadcontrol A predetermined action of changing the power actually obtained by the load by the following change. - the applied operating cycle (eg changing the load factor F and/or the number of operating cycles per hour S, see 5.3.4.6) or; --- load terminal voltage (for example, controlled by phase angle) or; A combination of the two. Note 1. Turn on is a separate consideration of mandatory load control. Note 2. If the external switching device or control circuit changes the operating state from the cut-off to the fully-on state, it returns to the cut-off state (eg via the operating cycle Load control), then the load control can be implemented by the Type 5 controller. 3.1.5 Ramp up ramp up (The ramp-up time) is switched from the off-state (or to the HxB-type hybrid controller) for a predetermined period of time (On) function of a status (for example, an all-on state or a load control operation). 3.1.6 Ramp down ramp-down Is switched from the on state (for example, from the all-on state or the load control operation) to the cut-off state at a predetermined time (ramp-down time) (Or for the HxB-type hybrid controller is off) on-off (off) function. 3.1.7 blank. 3.1.8 blank. 3.1.9 ON state The state of the semiconductor controller when the conduction current can flow through the main circuit. 3.1.10 Full turn-on FULL-ON The status of the controller is applied to the load by applying a nominal full voltage by setting the control function. 3.1.11 Minimum load current minimumloadcurrent The minimum operating current necessary for the main circuit when the controller is able to operate correctly in the on-state. Note. The minimum load current is expressed as a valid value. 3.1.11.1 Minimum load current detection minimumloadcurrentdetection When the load current is less than the specified minimum value, the controller has the ability to detect and signal, the signal can be cut off or Off state implementation. 3.1.12 OFF-state The state of the controller is not present when the control signal is not applied and the current through the main circuit does not exceed the cutoff current. 3.1.13 Cut-off state current leakage current state OFF-stateleakagecurrent IL The current through the main circuit of the semiconductor controller in the off state. 3.1.14 The operation of the controller operationofacontroler From the on state to the cut-off state or vice versa. 3.1.14.1 Function of switching function The function of turning on or breaking the current when the controller is operated. 3.1.14.2 blank. 3.1.14.3 Instantaneous surge function From instantaneous state (for example, all-on state or load control operation) to the cut-off state (for HxB type hybrid controller For the off state) or the opposite on-off function. Note 1. At break, "instantaneous" indicates the minimum off time (see IEC 60947-1..2007, 2.5.39). Note 2. When on, "instantaneous" indicates the on-time (see IEC 60947-1..2007, 2.5.43) plus the transient time determined by the external circuit impedance. 3.1.14.4 Switching point switchingpoint External voltage on the waveform of the point, connected to the operation process, the semiconductor switch electrical appliances at the point into a conductive state. Note. External voltage is defined in IEC 60947-1..2007 2.5.32. 3.1.14.4.1 (Defined by the definition of a semiconductor controller) defined-pointswitching (ofasemiconductorcontroler) A capability of a semiconductor controller that only allows current to flow from an applied AC voltage or an AC control circuit voltage to its waveform A specific point of the moment from the main circuit. Note 1. External voltage is defined in IEC 60947-1..2007 2.5.32. Note 2. This optimized on-off mode can be used to suppress "soft switching" of the inrush current or transformer. 3.1.14.4.2 (Zero control of the semiconductor controller) zero-pointswitching (ofasemiconductorcontroler) Special type of defined point conversion, only for non-motor load unipolar semiconductor controller. Note 1. When the external control signal (AC voltage) is zero, the semiconductor switching device is switched from the off state to the on state. Note 2. External voltage is defined in IEC 60947-...

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