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23 Aug, 2022 341 Views Author: Saeed, Hamza

How do surge generators perform surge immunity tests

Additionally known as the lightning surge immunity test, combination wave generator, surge current/surge voltage generator, and combined surge voltage and current generator, the LISUN SG61000-5 completely automatic surge generator has various names. It offers a uniform platform for testing how well different types of equipment’s internal connectors and power cables hold up to high-energy transient interference brought on by large-capacity load switching and natural lightning surge induction. This article will discuss in detail LISUN’s SG61000-5 surge generator, how it functions, its importance and how LISUN is one of the best known surge generator manufacturers.

LISUN Surge Generator (SG61000-5)
A standardized platform for testing the resilience of various equipment’s power cords and internal connectors to high-energy transient interference caused by natural lightning surge induction and large-capacity load switching is provided by the SG61000-5 surge generator by LISUN. It meets with the requirements of GB/T17626.5, EN61000-4-5, and IEC 61000-4 -5. The SG61000-5 fully automatic surge generator is also referred to as a surge tester, a combination wave generator, and a lightning surge immunity test.

surge generators

Surge Generator SG61000-5

How does a surge generator work?
The SG61000-5 surge generator offers a standard framework for assessing how well various equipment’s internal connectors and power cords withstand high energy transient interference brought on by big capacity load switching and natural lightning surge induction. To efficiently use the device, one must verify that the short-circuit plug is put in the safety circuit before starting the generator. To see whether one is utilizing an external CDN the plug can be changed, or otherwise left as it is.


Following this, connect the generator’s mains wire to one of the ground connections on the back or front of the device, and ground it appropriately. To power, the UT, plug the UT supply cord into the line input on the back of the device and then use the front or back banana jacks on the eut to connect it to the CDN. Then turn on the electricity and wait for the backup generators to fire up. To turn the light off, press the surge on/off button. One can also utilize a memory button to access up to 32 programmable settings or can change the appropriate parameters with a dial-in variable mode.

Then to change the voltage from 100 volts to 4.4 kV, press the charging voltage button and turn the dial. One may change the phase angle by pressing this button. The number button will change how many trigger pulses there are in each test cycle for a single pulse. Moreover, the display must be blank before turning the knob. From 10 to 999 seconds can be changed by pressing the period button. Positivity, negativity, or alternating polarity are all options. The coupling mode may be selected right here. Following this, push the surge on/off button to turn on the light once the settings are correct. In the end, press the charging button to launch the surge test now.

Why are surge generators important?
Every circuit developer is concerned with surges since they are a major issue in electronics. Impulses are the name for these surges. Impulses are characterized by high voltages that last for a short time and are typically in the kV range. Lightning that occurs naturally is a good illustration of impulse voltage because it may be quite damaging to electrical equipment. The devices must be put to the test to ensure that they can withstand them. A surge generator produces a high voltage or current surges and is useful. For this very purpose, LISUN is one of the best-known surge tester manufacturers.

Since surge comparison tests are the only way to identify turn-to-turn insulation issues, they are crucial. These faults, which are precursors to catastrophic failures and motor shutdown, manifest at voltages higher than the motor’s working voltage. Hard shorts and a number of other problems in coils and windings are also found using surge immunity test equipment. The cause of the majority of winding failures, including shorts to ground, is poor turn-to-turn insulation.

Turn-to-turn arcs are produced when a weakness results in an electrical closed loop. Transformer activation causes current to start flowing in the loop. A hotspot is created when this current is turned to heat. The hotspot causes more turns to short out, adding to the heat. Eventually, the winding shorts came to rest on the ground.

Surge generator manufacturer
LISUN was founded in 2003 as LISUN Instruments Limited. The ISO9001:2015 standard has rigorously approved the LISUN quality system. As a CIE Member, it designs its products in accordance with CIE, IEC, and other global or national standards. All goods have a CE certification and were verified by an independent lab. With aspects such as these in the background and the huge success of LISUN’s surge generator in the market, it can easily be concluded that LISUN is one of the best-known surge generator manufacturers. The reviews that the organization has received on the product is a testimony to this very fact.

What safety measure should one take when using a surge generator?
It is advised that a surge generator be used in tandem with an isolation transformer due to the high voltage risk during the surge test. During the surge test, a sudden, significant current pulse will be returned. The isolation transformer powers the sample while safeguarding the system. The sample box is not required. It serves to safeguard the operator. During the surge test, the sample is put inside the sample box. It’s interesting to note that LISUN can tailor different size sample boxes to your samples.

How is it that a generator can surge up and down?
Fuel issues are what cause surging. It typically occurs as a result of improper fuel, insufficient fuel, or poor fuel quality. The majority of generators have particular fuel needs. They employ any fuel, including surges, that is outside those bounds but still poses a risk to operation.

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are GoniophotometerIntegrating SphereSpectroradiometerSurge GeneratorESD Simulator GunsEMI ReceiverEMC Test EquipmentElectrical Safety TesterEnvironmental ChamberTemperature ChamberClimate ChamberThermal ChamberSalt Spray TestDust Test ChamberWaterproof TestRoHS Test (EDXRF)Glow Wire Test and Needle Flame Test.

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