GB 19212.21-2014Safety of power transformers, power supply units and similar devices -- Part 21: Particular requirements for small reactors (English PDF)

Foreword

All technical content in this Part of GB 19212 is mandatory.

GB 19212 "of power transformers, power supplies, reactors and similar products -" 1) now includes the following sections.

1) This series of standards, some parts are under "Safety of power transformers, power supply units and similar products," the title, some parts in the "power transformers, Power supplies, reactors and similar products "under the heading, some parts in the" power supply voltage 1100kV and below transformers, reactors, power supply Units and similar products "under the heading, some parts are" under transformers, reactors, power supply units and combinations of security "of the title, the next release the title of this series of standards may be modified.

--- Part 1. General requirements and tests;

--- Part 2. Particular requirements and general purpose test transformer isolated and built separate transformer power supply;

--- Part 3. Specific requirements and test control and built-in control transformer power supply;

--- Part 4. Gas and oil burner ignition transformers for special requirements;

--- Part 5. Particular requirements and tests and built-in isolation transformer isolation transformer power supply device;

--- Part 6. shaver transformer, and shaver supply units power supply unit Particular requirements and tests;

--- Part 7. Particular requirements and tests for safety isolating transformers and built-in safety isolating transformer power supply device;

--- Part 8. Particular requirements for transformers for toys and power supplies and test;

--- Part 9. Particular requirements for bell and bell transformers;

--- Part 10. Class III portable Particular requirements for filament transformers and power supply unit and test;

--- Part 13. Particular requirements for constant voltage transformers;

--- Part 14. Particular requirements for auto and test transformers and autotransformers built power supply device;

--- Part 16. supply of medical locations Particular requirements for isolating transformers;

--- Part 17. switched-mode power supply units and switch-mode power supply unit with the special requirements for transformers and tests;

--- Part 20. Particular requirements for interference attenuation transformers;

--- Part 21. Small reactors Particular requirements and tests;

--- Part 24. Particular requirements for transformers for construction sites.

Other parts are under consideration.

This is Part 21 GB 19212's. This is part of the GB 19212.1-2008 developed on the basis of this part of the need and GB 19212.1-2008 and IEC 61558-1:2005 No. 1 in conjunction with amendments. This is part of GB 19212.1-2008 Corresponding chapter, shall be supplemented and modified so that the content of GB 19212.1-2008 conversion based content portions. For this section GB 19212.1-2008 new additions numbered starting from 101.

This section drafted in accordance with GB/T 1.1-2009 given rules.

This Part replaces GB 19212.21-2007 "Safety - Part 21 power transformers, power supply units and similar products. small reactors Particular requirements. " Compared with GB 19212.21-2007, the main technical changes are as follows.

--- Standard name changed to "Part 21 safety transformers, reactors, power supply units and combinations thereof. small reactors to special Sum Test ";

--- Amend Chapter 1, "scope" (see Chapter 1);

--- Marked increase in the reactor contents (see 8.1);

--- Modify the overload test voltage (see 15.2 and 15.5.1);

--- Modify the "structure" (see Chapter 19);

--- Modify the indirect heating type PTC resistors test requirements (see 20.7.3);

--- Removed reactor heat, fire and resistance to tracking the provisions of section (see 2007 edition 27.3).

This section uses the translation method identical with IEC 61558-2-20:2010 "transformers, reactors, power supply units and combinations Safety Part 2-20. Particular requirements for small reactors and testing. " this part made the following editorial changes.

--- Standard name changed to "Part 21 safety transformers, reactors, power supply units and combinations thereof. small reactors to special Sum Test. "

--- Chapter 2, "Normative references" with "GB 19212.1-2008" instead of "IEC 61558-1:2005".

Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.

This part is proposed by the China Electrical Equipment Industrial Association.

This part of the National Small power transformers, reactors, power supply units and similar products Standardization Technical Committee (SAC/TC418) Centralized.

This section is drafted. Shenyang Transformer Research Institute Co., Ltd., Shanghai Quality Supervision, Inspection Technology Research Institute, National Broadcasting electricity Depending on the product quality supervision and inspection center, the Ministry of Industry and Information Technology Institute of Electronics V ceprei quality and safety testing center, Pearl Electric Co.

Secretary high Electronics Co., Ltd. Tianjin Optical benefits.

1 Scope

GB 19212.1-2008 this chapter is replaced by the following.

This part of GB 19212 specifies the safety requirements for general-purpose small reactors.

Note 1. Safety requirements including electrical, thermal and mechanical aspects.

Unless otherwise specified, the following "Transformers" or "reactor" includes small reactors.

This section applies to Stationary or mobile, single-phase or multi-phase, air-cooled (self-cooled or air-cooled), with independent or supporting the use of generic reactor, Including the exchange of pre-excitation and current compensation reactor.

Rated supply voltage not exceeding 1000V AC or ripple-free DC 1500V, rated supply frequency and internal operating frequency not exceeding 1MHz.

Rated capacity does not exceed.

--- Single-phase reactor, AC 25kvar (DC 25kW);

--- Multiphase reactors, AC 50kvar (DC 50kW).

When the purchaser in consultation with the manufacture consent, this section also applies to non-rated capacity limit reactor.

This section applies to a dry reactor. Windings may be encapsulated or non-encapsulated type.

This section does not apply to.

--- IEC 60289 comprises a reactor;

--- IEC 61347-2-8 including tubular fluorescent lamp ballasts;

--- IEC 61347-2-9 including discharge lamps (excluding tubular fluorescent lamps) ballasts.

Note 2. The media is filled with a liquid or powder material (such as sand) reactor, which additional requirements are under consideration.

Note 3. The following should be noted.

--- Predetermined to be used on vehicles, vessels or aircraft reactors, may need additional requirements (according to other applicable standards, national regulations, etc.);

--- Avoid the housing and the housing components such as protective measures by the outside influence of mold, insects, termites, solar radiation, and icing should also be considered;

--- Reactors transport, storage and different working conditions should also be considered;

--- Intended to be used for special circumstances, such as the reactor tropical environment, additional requirements may be used in line with other standards and national regulations applicable provisions.

Note 4. Usually, reactors and equipment intended to meet the functional requirements of the device, or install procedures or other usage specification.

Note 5. equipped with electronic circuits and components of the reactor is also included in this section.

Note 6. Protection against electric shock by other components or equipment features to provide (or improve), such as housing.

Note 7. Special-purpose reactor will be included in a future supplementary normative appendix.

Note 8. With the future development of reactor technology, it may need to increase the upper limit frequency, before then, you can use this section as a guide.

2 Normative references

In addition to the following references, GB 19212.1-2008 this chapter apply.

The increase in the following chapter references.

GB 19212.1-2008 power transformers, power supplies, reactors and similar products - Part 1. General requirements and tests (IEC 61558-1:2005, IDT)

3 Terms and Definitions

In addition to the following terms and definitions outside, GB 19212.1-2008 this chapter apply.

The chapter following modifications.

GB 19212.1-2008 used in "Transformers" the term applied "reactor" instead.

The chapter increase following terms and definitions.

3.1.101

Reactor

One or more windings, and the frequency dependent impedance of the winding, according to the principle of self-inductance of work, the use of excitation current through the magnetic core or Air produce an electrical device field.

Note. The definition also includes an annular core having a reactor.

3.1.102

AC reactor alternatingcurrentreactor Excitation current to generate an alternating magnetic field, and the polarity of the magnetic field is alternating with the frequency of one reactor in its interior.

3.1.103

Pre-excitation reactor premagnetisedreactor DC excitation current produces a unipolar magnetic field in the interior, while the superimposed alternating current to their size and frequency of the DC magnetic field A change in the reactor.

3.1.104

Current compensated chokes currentcompensatedreactor on a common core has at least two windings, and in order to reduce the magnetic flux, excitation current of the respective directions opposite to each other in an electrically Reactor.

3.1.105

Overload resistant reactor overloadproofreactor when the reactor overload, the temperature does not exceed the prescribed limits, and after the elimination of the overload, can continue to meet all the requirements of this standard an electrical reactor.

3.1.105.1

Extrinsic resistance to overload the reactor non-inherentlyoverloadproofreactor Fitted with a protective device, when the reactor overload protection device opens the circuit or reduces the current in the circuit, and in the elimination of the overload and Protective device reset or replaced, could continue to meet this part of the overload resistance were all required reactor.

Note 1. Examples of protective devices are fuses, overload releases, thermal fuses, thermal fuse, thermal cut, PTC resistors and automatic circuit breakers.

Note 2. If you can not replace the use of the device can not be reset to protect the "elimination After the overload can continue to meet all the requirements of this section" an unexpectedly Taste the reactor to continue operating.

3.1.105.2

Inherent resistance to overload the reactor inherentlyoverloadproofreactor not equipped with devices to protect the reactor in case of an overload, because of its structural features, the reactor temperature does not exceed the prescribed limits, and After the overload and the elimination of work and can continue to meet this part of the overload resistance were all required reactor.

3.1.106

Non-resistant to overload the reactor non-overloadproofreactor Do not use protection device along a predetermined reactor provided with to prevent overheating, and in the elimination of the overload protection device and reset or replacement of this part can continue to meet all the requirements of an electric reactor of.

3.1.107

No harm Reactor fail-safereactor After the non-normal use, although due to a fault circuit is broken forever lose their function, but users do not harm the environment or A reactor.

4 General requirements

This chapter applies the GB 19212.1-2008.

5 General Description, tests

This chapter applies the GB 19212.1-2008.

6 RATINGS

The chapter and replaced by the following.

6.1 should not exceed the rated supply voltage AC 1000V or ripple-free DC 1500V.

6.2 Single-phase reactor should not exceed the rated capacity of AC 25kvar (DC 25kW), multi-phase reactor should not exceed the rated capacity of the cross Flow 50kvar (DC 50kW), except when the purchaser and producing agreed.

6.3 Rated supply frequency and internal operating frequency should not exceed 100MHz.

6.4 rated inductance and nominal resistance value is a value that should be under no-load conditions at rated ambient temperature of, and its deviation should be producing Clarified.

Flag by visual inspection to verify compliance with the requirements of 6.1 to 6.4.

Category 7

In addition to the following terms outside, GB 19212.1-2008 this chapter apply.

Article 7.1 is replaced by the following.

Protection against electric shock by Category.

--- Class I reactor;

--- II type reactor;

--- III type reactor.

NOTE. The built-reactor does not classify its shock protection category by the reactor was charged way to decide.

Article 7.2 is replaced by the following.

Press abnormal use protection classification.

--- Inherent resistance to overload the reactor;

--- Non-inherent resistance to overload the reactor;

--- Non-overload-resistant reactor;

--- Non-hazardous type reactor.

8 Marking and other information

In addition to the following terms outside, GB 19212.1-2008 this chapter apply.

Article 8.1 is replaced by the following.

Reactor shall be labeled with the following.

a) rated supply voltage, V;

b) Rated power frequency, Hz;

c) Rated voltage drop (only for AC reactor), V;

d) rated capacity, communication with the var or kvar, DC with W or kW;

e) rated current and the harmonics (if any), A or mA;

f) DC, marked its symbol or abbreviation DC (if applicable);

g) of the exchange, which marked symbol or abbreviation AC (if applicable);

h) rated winding inductance, H or mH, followed by addition of the appropriate standard deviation;

Note 1. c), d) or h) wherein the value of a label just because the other values can be calculated from the values given out.

i) Reactor graphic symbols shown in a 8.11 to label;

j) winding Nominal resistance, ohm or mohm, then spiked the corresponding deviation;

Note 2. j) entry in this product are given in the documents, it may not be indicated here.

k) type;

l) the name or trademark of the manufacturer or dealer;

m) IP degree of protection flag (if not IP00);

n) rated maximum ambient temperature ta (if not 25 °C);

Note 3. For ta<=50 °C, 5 °C as recommended by the value of a given ta for ta > 50 °C, 10 °C press as a given.

o) If the temperature is below 10 °C and sensitive devices, they should label the lowest rated ambient temperature ta, min;

Note 4. It is recommended by 5 °C as a given ta, min value.

p) duty cycle (if any), unless restricted working hours or working time and working conditions in the reactor structure consistent.

Short duty cycle or mark intermittent duty cycle should correspond with normal use. For short-time working reactor running time Applications seconds (s) or minutes (min) as the unit; for intermittent reactors, their working hours and working time to stop second application (s) or minutes (min) as the unit, and separated from it by a slash;

q) power frequency converter switching frequency;

r) of the air-cooled reactor, if the fan is not part of the reactor, it should be marked "AF", and then mark the air flow rate, with m/s Representation;

Symbol s) II class structure (only Class II Reactor);

t) symbol III class structure (only class III Reactor).

Note 5. Allow indicated some additional signs, as long as they can not cause confusion.

Article 8.4 is replaced by the following.

Tapped winding or the reactor, 8.1 shall be clearly marked.

Article 8.5 is replaced by the following.

For overload resistance and because they belong to declare compliance with the corresponding requirements of the reactor, should be marked with an overload-resistant reactor symbols.

In addition, for non-intrinsic resistance Fused overload reactors and fuses are designed to protect the non-overload-resistant reactors, should be marked There are the fuse rated current (in A or mA), if applicable, also on or behind the mark comply with the relevant standard gauge preceded Symbol given fuse time current characteristics.

In addition, the fuse fitted in addition to the outer replaceable protection devices extrinsic resistance to overload the reactor and designed to be adapted in addition to external fuse Protection device to protect the non-resistant to overload the reactor, the amount shall be marked with the type and/or the protective device for producing the protective device specified Value.

Note. equipped with non-replaceable overload protective device resistant reactor without further marked signs about the protection device.

Content of the flag should be sufficient to ensure the correct replacement of protective device.

When used in addition to the fuse can be replaced from outside the protective device, shall be given in the instructions supplied with the reactor or similar document Replace the information of the protection device.

For statement belongs to non-hazardous formula and comply with applicable requirements of the reactor, whether the hazards should be marked type reactor symbols.

8.11 Addition of the following.

Symbol or graphic symbol or name identification code Description Ha Henry -ohma ohm -or no hazard Reactor IEC 60417-5950 (2002-10) or overload resistant reactors IEC 60417-5951 (2002-10) Symbol or graphic symbol or name identification code Description Overload resistant reactor (Intrinsic or inherent resistance to overload resistance overload) IEC 60417-5952 (2002-10) it allows a multiple or fraction thereof as a unit.

9 Protection against electric shock

This chapter applies the GB 19212.1-2008.

10 Change the input voltage setpoint

The chapter with the following instead.

10 changes voltage setpoint Having more than one rated supply voltage or more of the rated voltage drop of the reactor, the structure should not be changed without tools to achieve voltage provided Value.

Can be set to different rated supply voltage and rated voltage drop of the reactor, the structure should be done when the reactor when ready to use on the voltage instruction value legible.

By visual inspection to verify compliance.

NOTE. For example, if the use of tools to change the voltage set value until the cover is removed, is considered to meet the requirements on the voltage set value.

11 Load output voltage and output current

The chapter with the following instead.

11 voltage drop

11.1 differential voltage drop rating of not more than 25%.

Pre-excitation of the reactor and the reactor with an electrical capacitors, rectifiers and other additional components, the difference between the voltage drop and the rated value shall not be greater at 30%.

The reactor is connected to the rated power frequency rated supply current, when it reaches a steady state, or by measuring the voltage drop calculated this subject Verify eligibility.

Voltage drop reactors having more than one rated, this requirement applies to each of the rated voltage drop.

For reactors having a plurality of windings, unless otherwise specified, each winding should also be applied to the load.

11.2 GB 19212.1-2008 that section blank.

12 No-load output voltage

GB 19212.1-2008 This clause does not apply.

13 Short-circuit voltage

GB 19212.1-2008 This clause does not apply.

Fever 14

In addition to the following terms outside, GB 19212.1-2008 this chapter apply.

Article 14.1 the following modifications.

Beginning with "Transformers received" in paragraph 10 be replaced by the following.

Reactor power connected to the rated power frequency, and passed through a 1.1 times the rated supply current, after which the current increases, the power supply circuit no Need to be changed again.

Beginning with "having a plurality of input or output windings," paragraph 16 be replaced by the following.

For reactors tapped winding, the results measured to be considered one of the highest temperatures.

15 Short-circuit and overload protection

In addition to the following terms outside, GB 19212.1-2008 this chapter apply.