How to handle the testing report of the sample? What are the scope and standards of testing? Today, the editor of Baijian Testing will take you to understand the specific tests required for the relevant testing business. At the same time, Baijian can also design testing plans based on corresponding testing standards or according to your needs

Display style: Electronic version

Testing cycle: 3-15 working days (can be expedited)

Report qualifications: CNAS, CMA, CAL, etc.

Testing items:

No load loss and no load current tests at 90% and 110% rated voltage, external withstand voltage test, partial discharge test, partial parameters, short-circuit impedance, no load loss, no load current, winding DC resistance imbalance rate, insulation resistance, connection group number, load loss, pressure test, sound level measurement.

, Shell protection level, sealing test, partial discharge measurement, induced voltage withstand test, climate test, temperature rise test, combustion performance test, environmental test, voltage ratio measurement and connection group label verification, voltage ratio test and voltage vector relationship calibration, short-circuit withstand capacity test, short-circuit impedance and load loss measurement, no-load loss and no-load current measurement, no-load current and no-load loss measurement, winding to ground and winding to winding DC insulation resistance measurement, Winding resistance measurement, lightning impulse test, all items, winding to ground insulation resistance, induced voltage test, insulation resistance measurement, no-load loss and no-load current measurement, lightning stamping test, deviation, protection against direct contact, grounding terminal, technical requirements, aging and transformer insulation life, transformation ratio, external withstand voltage, induced withstand voltage, short-circuit impedance and load loss, no-load current and no-load loss, winding DC resistance, impedance voltage Short circuit impedance and load loss measurement, winding to ground insulation resistance measurement, zero sequence impedance measurement of three-phase transformers, induced voltage test (IVPD) with partial discharge measurement

Detection standards:

1. JB/T501-2006 Power Transformer Test Guidelines 19

2. IEC 60076-11edition 2.0:2018-08 Power Transformers Part 11: Dry type Transformers 14.4.2

3 IEC 60076-11-2018 Power Transformers: Dry type Power Transformers 14.4.2

4, IEEE Std C57.12.01-2015 General Requirements for Dry type Distribution and Power Transformers 8.3

5, GB/T 7354-2018 IEC 60270, 2000 IEC 60270, GB/T 7354-2003 High voltage Test Techniques Partial Discharge Measurement GB/T 7354-2018 IEC 60270:2000 IEC 60270:2015 Partial Discharge Measurement GB/T 7354-2003

6, GB/T 1094.11-2007 IEC 60076-11, 2018 IEC 60076-11, 2004 EN 60076-11, IEEE C57.12.01, IEEE C57.12.91, EN 50541-1, EN 50541-2, GB/T 10228-2015, GB/T 22072-2018 GB/T 22072-2008, JB/T 501-2006, JB/T 3837-2016, GB/T 1094.12-2013 IEC 60076-12 Power Transformers Part 11: Dry type Transformers GB/T 1094.11-2007 IEC 60076-11:2018 IEC 60076-11:2004 EN 60076-11:2004 General Requirements for Solid Casting and Resin Sealed Windings for Dry type Distribution and Power Transformers IEEE C57.12.01:2005 Testing Rules for Dry type Distribution and Power Transformers IEEE C57.12.91:2011 100 kVA to 3150 kVA for high voltage equipment not exceeding 36 kV, 50 Hz three-phase dry-type transmission transformers - Part 1: General requirements EN 50541-1:2011: 100 kVA to 3150 kVA for equipment with high voltage not exceeding 36 kV, 50 Hz three-phase dry-type transmission transformers - Part 2: Determination of load capacity of transformers with non sinusoidal current loads - EN 50541-2:2013 Technical parameters and requirements for dry-type power transformers - GB/T 10228-2015 Technical parameters and requirements for dry-type amorphous alloy iron core distribution transformers - GB/T 22072-2018 GB/T 22072-2008 Test guidelines for power transformers - JB/T 501-2006 Method for designating transformer products JB/T 3837-2016 Power transformers - Part 12: Dry type power transformers Load Guidelines for Power Transformers GB/T 1094.12-2013 IEC 60076-12:2008

7, IEC 60076-11edition 1.0:2004-05 Power Transformers: Dry type Power Transformers 24

8, GB/T 1094.12-2013 IEC 60076-12:2008 Power Transformers Part 12: Load Guidelines for Dry Type Power Transformers 5

9. GB/T1094.3-2017 Power Transformers Part 3: Insulation Levels, Insulation Tests, and Technical Parameters and Requirements for External Air Gap Oil Immersed Power Transformers 11

10. IEEE Std C57.12.01-2015 IEEE Std C57.12.01-2015 Dry type Distribution Transformers and Power Transformers General Requirements 4.2.4 4.2.5 5.10.1 5.10.2 5.10.3.4 8.3

11 GB/T22072-2008 Technical Parameters and Requirements for Dry Type Amorphous Alloy Iron Core Distribution Transformers

12, IEC60076-5 Edition 3.0 2006-02 Power Transformers: Ability to withstand short circuits 11.1.4 g)

13, IEC60076-11-2018 Power Transformers: Dry type Power Transformers 14.2.5

14, DL/T 596-1996 Preventive Testing Regulations for Power Equipment 6

15, GB 1094.3-2017 Power Transformers Part 3: Insulation Level Insulation test and external insulation air gap 10

16, IEC60076-1 Edition 3.0 2011-04 Power Transformers: General 11.1.3 b)

17, GB/T 10228-2015 Technical parameters and requirements for dry-type power transformers

18, JB/T10088-2016 6kV~500kV power transformer sound level

19, GB1094.11-2007 Power Transformers: dry-type power transformers 24

20, GB/T 1094.11-2007 IEC 60076-11:2004 Power Transformers Part 11: Dry type Transformers 24

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