IEC62368 Annex R Limited Short-Circuit Tester ,Current Generator 1500 A ,

Description

Detail Information

Output Voltage:DC120-250VStandards:IEC62368-1Output Current:≥1500ADischarge Time:5-20msControl Mode:PCInput Voltage:AC220V±10％ 3KW

Product Description

The restricted short circuit test device is applicable to the test of protective grounding conductor and current protection circuit breaker 1500A. The purpose of this test device is to verify that the protective connecting conductor used in the circuit protected by the device with a rated value not exceeding 25A is compatible with the fault current allowed by the overcurrent protection device, and to test the integrity of additional safety protection through such tests.

 

Meet the requirements of Clause 5.6.4.1&5.6.5.1 and Appendix R in IEC62368-1:2018 and GB 4943.1-2022 Audio Video, Information Technology and Communication Technology Equipment – Part 1: Safety Requirements.

 

 

Product test object: audio, video, information and communication technology equipment

 

Equipment principle:

 

The limited short circuit test device system uses the energy storage device to realize the instantaneous high current test. The discharge time and initial voltage can be set. After the discharge is completed, it will automatically charge for the next round of test. During the test, the discharge current will be recorded to generate the current time curve.

 

Equipment characteristics:

 

1. Meet the test requirements of IEC62368-1:2018, EN62368-1:2019 and GB4943.1-2022 standards;

 

2. 15 inch super large true color touch LCD, high-speed thermal printer;

 

3. High precision sensor and high-performance 14 bit AD acquisition chip;

 

4. Man machine dialogue full keyboard operation mode, and the whole process of intelligent work;

 

5. Optional automatic current rise test, manual current rise test and impact quick break test, flexible and simple operation;

 

6. Real time display of output current and time results is intuitive;

 

7. Perfect over-current protection, arbitrary setting of target output current value, current upper limit and current withstand time;

 

8. With grounding detection function and zero return detection function, the test can be carried out after the grounding and zero return are determined, which is safe and reliable;

 

9. Approximation type current raising algorithm, when the set target output current is reached, the current tolerance timing will be automatic, and the motor will return to zero automatically after the timing is completed;

 

10. If the upper limit of the set output current is exceeded, the motor will automatically return to zero and give an audible and visual alarm;

 

11. Sophisticated anti-interference design of software and hardware, multiple anti-interference means, adapt to harsh electromagnetic environment;

 

12. It can be equipped with remote communication, door interlock alarm, opening voltage verification interface, etc.

 

Main technical parameters:

 

1. Control mode: PLC control+touch screen man-machine interface intelligent operation;

 

2. Test station: 1 station;

 

3. Test range:<25A;

 

4. Limit current: ≥ 1500A (customizable);

 

5. Discharge time: 5~100ms can be set;

 

6. Test mode: AC and DC switchable test;

 

7. Discharge voltage: customized according to customer requirements;

 

8. Test time: touch screen can be set according to standard requirements;

 

9. Standard configuration: power supply DC power supply, over-current protection device, waveform curve oscilloscope provided by customers, configured with 2.5 square meters, 4 3m test lines;

 

10. Test function: discharge voltage and limit protection time can be set, with overvoltage and overcurrent protection function;

 

11. Safety protection: it has the function of abnormal shutdown alarm, and the connection is made of insulating materials;

 

12. Overall dimension: W1250 × D960 × H1650mm；

 

13. Equipment power supply: AC220V 50Hz.

Feature:

First charge the battery inside the device, discharge it to the set voltage, and then realize the instantaneous high current test. The discharge time and voltage can be set. After the discharge is completed, it will automatically charge for the next test. The discharge current is recorded during the test, and the system will automatically generate a current-time curve.

 

Function:

▪ automatic/manual features;

▪ discharge voltage and limit protection time can be set;

▪ waveform curve analysis function;

▪ with overpressure overcurrent protection function;

▪ operation interface (as shown below)

 

Table 31-Minimum protective bonding conductor size of copper conductors

 

Smaller of the rated current of the equipment or the protective current rating of the circuit under consideration A up to and including	Minimum conductor sizes
	Cross-sectional area mm2	AWG [cross-sectional area in mm2]
3	0,3	22 [0,324]
6	0,5	20 [0,519]
10	0,75	18 [0,8]
13	1,0	16 [1,3]
16	1,25	16 [1,3]
25	1,5	14 [2]
32	2,5	12 [3]
40	4,0	10 [5]
63	6,0	8 [8]
80	10	6 [13]
100	16	4 [21]
125	25	2 [33]
160	35	1 [42]
190	50	0 [53]
230	70	000 [85]
260	95	0000 [107]
		kcmil [cross-sectional area in mm²]
300	120	250 [126]
340	150	300 [152]
400	185	400 [202]
460	240	500 [253]
NOTE AWG and kcmil sizes are provided for information only. The associated cross-sectional areas have been rounded to show significant figures only.AWG refers to the American Wire Gage and the term “cmil” refers to circular mils where one circular mil is equal to (diameter in mils)2.These terms are commonly used to designate wire sizes in North America.

 

5.6.4.2.1Mains supply as the sourceWhere the source is the mains supply, the protective current rating of the circuit is therating of the overcurrent protective device provided in the building installation, or as part ofthe equipment.Where the overcurrent protective device is provided in the building installation, then:– for pluggable equipment type A, the protective current rating is the rating of anovercurrent protective device provided external to the equipment (for example, in thebuilding wiring, in the mains plug or in an equipment rack), with a minimum of 16 A;NOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuitsupplied from the mains.NOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains istaken as 20 A. NOTE 3 In the UK and Ireland, the protective current rating is taken to be 13 A, this being the largest ratingof fuse used in the mains plug.NOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains istaken as 20 A instead of 16 A.– for pluggable equipment type B, and permanently connected equipment theprotective current rating is the maximum rating of the overcurrent protective devicespecified in the equipment installation instructions to be provided external to theequipment.5.6.4.2.2Other than mains supply as the sourceWhere the source is an external supply having the maximum current inherently limited by theinternal source impedance (such as an impedance protected transformer), the protectivecurrent rating of the circuit is the highest current available from that supply into any load.Where the maximum current from the external supply source is limited by electroniccomponents in the source, the protective current rating shall be taken as the maximumoutput current with any resistive load, including a short-circuit. If the current is limited by animpedance, a fuse, a PTC device or a circuit breaker, the current is measured 60 s after theapplication of the load. If the current is limited by other means, the current is measured 5 safter the application of the load.5.6.4.2.3Internal circuit as the sourceWhere the source is a circuit within the equipment, the protective current rating of the circuitis:– the rating of the overcurrent protective device if the current is limited by an overcurrentprotective device; or– the maximum output current, if the current is limited by the source impedance of thesupply. The output current is measured with any resistive load including a short-circuitmeasured 60 s after the application of the load if current is limited by impedance or thecurrent limiting device is a fuse, a circuit breaker or a PTC device, or 5 s in other cases.5.6.4.2.4Current limiting and overcurrent protective devicesA current limiting device (a PTC device) or an overcurrent protective device (a fuse or a circuitbreaker) shall not be connected in parallel with any other component that could fail to a lowresistance state.