Electronic enthusiast network news : The power test market has always played a pivotal role in the measurement market, and has attracted the input of many measurement instrument manufacturers. In order to consolidate the leading position in the existing power test market, how will ITECH, which is a leader in the power test market, demonstrate its differentiated advantages and address multiple challenges in power supply testing? At the "2013 Power Management Technology Seminar" held by Electronic Enthusiasts, Li Gong, technical support engineer of Aidex Electronics Co., Ltd., actually revealed to us how Idex responds to design challenges and solves test problems.
In an interview, Li Gong said: "As a member of the B&K Precision Group, the fourth largest instrument company in the United States, Idex has focused on power test research and developed a series of programmable power supplies, programmable electronic loads, power test systems and other programs. From power supply testing, automotive electronics testing, LED testing, battery testing in new energy fields, automated testing, and university laboratories and research institutes, we provide accurate power testing to help solve various test problems.
Photograph of Li Gong and Electronic Enthusiasts, technical support engineer of Tudex Electronics Co., Ltd.
Nowadays, all walks of life are developing rapidly, which puts more and higher requirements on the power industry, such as energy saving, power saving, reliability and security. Professional power development and power test manufacturers are constantly exploring and using various related technologies to help electronic product developers to make qualified power products to ensure that they meet the needs of R&D and production.
Classic solution easily meets the three challenges of power testing
According to Li Gong, in the process of testing and application of power products, design engineers have very high requirements on power test efficiency, output stability and input terminals. In response to the above three aspects, he recommended several classic solutions for engineers to solve many challenges.
Power supply efficiency issues are the most interesting part of the power product testing process. IT7300 can meet the needs of energy saving, with automatic scanning function, can automatically find the maximum power point, find the voltage, power and frequency at the maximum power point, which is easier for engineers to find the best working condition of power products and speed up the testing.
In addition, output stability is also an important factor to consider. There are many factors affecting stability. From the external input point, it is generally 220V mains or 380V three-phase electric power supply. The factors such as artificial transfer and internal component aging will have certain influence on the stability of power output. . In addition, when the load is running, a pulse will suddenly appear, which will also have a certain impact on the stability of the power supply output. The Idx IT7300 series AC power supply can simulate the instability of the mains, such as surges, notches, etc., to test the power supply stability.
In order to solve the challenge of power supply testing due to output stability, Li Gong believes that Itech's IT8800 electronic load test has great benefits for power supply output stability. The IT8800 electronic load has a dynamic mode that improves the stability of the test power supply output. The test power supply has a dynamic rate of up to 25 Hz, can test the power/load mediation rate, and has the function of an analog oscilloscope.
From the point of view of the input, it is necessary to obtain perfect power test data to ensure that the power supply works normally during actual operation. Multi-directional simulation of external trigger conditions is essential. The IT7300 AC power supply came into being. It can simulate standard sine waves, fluctuations in the grid at different times, etc., making it easy for engineers to test the power modules. Li Gong especially emphasized that the IT7300 series AC power supply has a built-in high-power AC power meter. One IT7300 AC power supply can realize the function of one power meter and one AC power source, that is, the engineer can get the input/output current on one panel. / voltage, input / output frequency, effective power, apparent power and other parameters, this is also the industry's first.
High-power DC power supply - your must-have
At the end of the interview, Li Gong also introduced the high-power 6KW DC power supply that Idex introduced with the practical experience. Li Gong said that its emergence has enabled engineers to have a wider range of options: higher power and higher choice range.
Currently, this series of products is subject to automatic wide voltage/current adjustment. For example, a conventional product, such as a DC power supply with a power of 1200W, can only achieve a voltage of 40V and a current of only 30A. If Itech's IT6512 DC power supply is used, its voltage is 80V, the current is 60A, and the power is 1200W. That is to say, when the voltage and power are fixed, the DC power supply can automatically allocate the optimal current range; similarly, when the current and power remain unchanged, the DC power supply will automatically allocate the optimal voltage range. This is the application advantage brought by the automatic wide range technology.
Automatic wide range adjustment, small size (1200W is 1u volume\3000W is 2u volume\6000W is 4u volume) [Note: 1u refers to the standard cabinet size unit], with master-slave series-parallel expansion power function is the series DC power supply Features. In addition, their communication interface part is built-in RS232, USB, RS485, GPIB, network port, communication stability and speed is very strong, and the cost is also very advantageous. In general, this series of electronic loads has many new advantages such as powerful, small size, flexibility and high performance.
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