Transformer Test Solutions

IEC 61558-1:2017 establishes comprehensive safety requirements and tests for transformers, reactors, power supply units, and their combinations. It details the fundamental safety criteria that these products must meet, covering aspects such as electrical insulation, mechanical strength, and protection against electric shock. The standard provides a set of universal rules applicable to a wide range of these electrical devices, ensuring that they can be safely used in various applications. It sets the baseline for manufacturers to guarantee that their products pose minimal risks to users and the surrounding electrical systems.

Meanwhile, IEC 60076-1:2011 specifically addresses power transformers, laying out the general principles and technical specifications. It defines key concepts, rated values, and operating conditions relevant to power transformers, serving as a foundational guide for their design, manufacture, and operation. On the other hand, IEC 62041:2010 focuses on the EMC requirements for transformers, power supplies, reactors, and similar products. This standard is aimed at ensuring that these products neither generate excessive electromagnetic interference that could disrupt other electrical equipment nor are overly vulnerable to external electromagnetic disturbances. By specifying emission and immunity limits, it promotes the harmonious coexistence of these products within the electromagnetic environment, enhancing the reliability and stability of electrical systems.

Standard:

Part 2	IEC 61558-12017	Safety of transformers, reactors, power supply units and combinations thereof – Part 1:General requirements and tests
Part 2	IEC 60076-1:2011	Power transformers – Part 1:General
Part 3	IEC 62041:2010	Transformers,power supplies,reactors and similar products-EMC requirements

Part 1 IEC 61558-12017 Safety of transformers, reactors, power supply units and combinations thereof – Part 1:General requirements and tests

LISUN supplies the fully test solutions for the following IEC 61558-1：2017, please see the below excel table:

IEC 61558-1：2017 Clause and Subject	LISUN MODEL
3.7 Insulation	WB2681A
18.2 Insulation resistance	WB2681A
3.7.9 creepage distance	CK-1
9.2.1 Determination of hazardous-live-parts	MNTC-G1
18.5.2 Touch current	MNTC-G1
9.2.2 IEC 61032, test probe 13	SMT-1312
9.2.2 IEC 61032, test probe B	SMT-PBC
14.3.2 Heat run	GDJS-015B
17.2 Humidity treatment
19.10 a)Ageing test
28 Resistance to rusting
14.3.3 Vibration	LVD-100KG
16.4 a) tumbling barrel Test&Distortion of pins and damage	LS-DDT1-B
16.4 a) tumbling barrel Test&Distortion of pins and damage	LS-B10
17.1 Degrees of protection provided by enclosures (IP code)	JL-X
17.1.2 test probe C and D of IEC 61032	SMT-1203C
17.1.2 test probe C and D of IEC 61032	SMT-1204C
19.1.4 Isolating transformers and safety isolating transformers	ITEU-SP4K
19.2 Flammability of materials	ZRS-3H
27.4 Resistance to fire
Annex E) Glow-wire test
19.10 b）Impact test	IK01-07
22.9.4 Flexing Test	SW-6
27.2 Resistance to heat	ZBP-T
27.5 Resistance to tracking	TTC-1
Annex G Tracking test	TTC-1
Annex R.1 Impulse dielectric test	SUG255

Part 2 IEC 60076-1:2011 Power transformers – Part 1:General

LISUN supplies the fully test solutions for the following IEC 60076-1:2011, please see the below excel table:

IEC 60076-1:2011 Clause and Subject	LISUN MODEL
3.7 Short-circuit impedance and voltage drop	LS2789
3.8 Temperature rise	GDJS-015B
3.13.2 total harmonic content	LS2090-IEC
5.5 Provision for unusual service conditions
dripping water	JL-X
salt spray	YWX/Q-010
excessive and abrasive dust	SC-015
extreme mechanical shock and vibrations	LVD-100KG
solar radiation	UV-263LS

Part 3 IEC 62041:2010 Transformers,power supplies,reactors and similar products-EMC requirements

LISUN supplies the fully test solutions for the following IEC 62041:2010, please see the below excel table:

IEC 62041:2010 Clause and Subject	LISUN MODEL
5.1.2.2 Electrostatic discharges	ESD61000-2
5.1.2.3 Radiated, radio frequency electromagnetic field	GTEM-2
5.1.2.4 Electrical fast transient/burst	EFT61000-4
5.1.2.5 Conducted disturbances, inducted by radio-frequency fields	RFCI61000-6
5.1.2.6 Surge	SG61000-5
5.1.2.7 Voltage dips and short interruptions	CSS61000-11
5.2 Emission	EMI-9KB