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Wed, Nov

New Launch From Solmetric USA: 1500V/30A I-V Curve Tracer

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I-V curve testing is the preferred method for commissioning, O&M, and troubleshooting of PV arrays because it provides the most complete performance measurement possible.

Populations of curves can be analyzed quickly foroutliers and data can be archived as a baseline for future reference if performance questions arise. The market is now moving towards solar power plants which have a rating of 1500V and looking at the latest market trends Solmetric has recently launched its new product Solmetric PVA-1500/30A.

Isothermal Technology Private Limited has now started supplying to the Indian solar community Solmetric’s latest offering which is the PVA-1500/30A PV Analyzer Kit. It is a 1500 volt I-V curve tracer with built-in PV performance modeling and advanced wireless irradiance, temperature and tilt sensing. It provides unprecedented measurement throughput and accuracy and delivers deep insight into the performance of your arrays.

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In addition to the 1500V measurement capability, the PVA-1500 has a few additional enhancements over its predecessor, the PVA-1000S, including the use of WiFi to communicate to your tablet or laptop. This eliminates the USB dongle required for the older model PVA-1000S.

For each string, the PV Analyzer measures the I-V (current vs. voltage) and P-V (power vs. voltage) curves with a single button click. The measured results are compared to the expected performance, taking into account the irradiance and module cell temperature at the time of the I-V measurement. The I-V Unit communicates wirelessly to your Windows tablet or laptop (not included), enhancing safety and allowing freedom of movement during testing. Automated data analysis and reporting save you time.

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The PV Analyzer is designed to work as hard as you do. High measurement throughput means it can measure 1 MW in less than 2 hours--even in hot environments like India. In an example PV system with 1300V Voc, 16 strings per combiner box, and 5 minutes to move to next combiner box, the PVA can make more than 800 measurements at 25°C ambient and 250 measurements at 45°C ambient. The incident angle corrected SolSensor is able to make accurate irradiance readings in lower light conditions extending your working window. Few satisfied customers of PVA- 1500 in India include Softbank, GMR Group, Sterling and Wilson, L&T etc.

Solmetric also has in their product range the PVA-1000S with a 20/30A current rating. It is also known for its awardwinning shade analysis tool, SunEye which incorporates a calibrated fisheye camera, electronic compass, tilt sensor, and GPS to give immediate measurements in the field. The patented SunEye-210 is the world-leading shade measurement tool for solar site assessment. This handheld electronic tool measures the available solar energy by day, month, and year with the press of a button by determining the shading patterns of a particular site. The SunEye® enables the best solar designs and the highest ROI for solar professionals and their customers. It helps win competitive bids, saves time and money, and gives confidence in performance guarantees. 

Isothermal Technology Private Limited has been supplying to the Indian market another world-class product manufactured by Seaward, UK, which is the PV200. The PV200 comes as a part of a complete solar testing kit which includes the popular PV200, Solar Survey 200R irradiance meter, Solar survey 200R mounting bracket, AC/DC current clamp, SolarCert solar PV reporting software and other accessories. 


The PV200 is a compact and cost effective I-V curve tracer that uses simple push button operation making it an efficient and versatile tester for PV systems. 999 datasets can be stored on the instrument and once downloaded to the SolarCert software comparison to the standard test conditions can be made. The tester measures ground (earth) continuity, open circuit voltage, short circuit current, maximum power point voltage, current and power (with AC/DC clamp). The instrument will also give you the fill factor of the PV module or system under test. The PV200 has a separate 1kV insulation resistance test function, eliminating the need for a separate, expensive device. Meanwhile the high contrast display on the device is clearly visible in direct sunlight. 

The unit can also wirelessly capture and record realtime irradiance, ambient temperature and PV module temperature from the Solar Survey 200R which is a part of the PV200 kit. Using the Solar Survey 200R your data can be converted to standard test conditions, in SolarCerts, for you to compare to the manufacturer’s published data. It comes with the Solar Survey 200R Irradiance Meter which connects wirelessly to the PV200 and gives realtime irradiance, ambient temperature and PV module temperature measurement results simultaneously to electrical tests being conducted. Results can be downloaded from the PV200 into the SolarCert reporting software included in the kit.  

The kit also has an AC/DC Current Clamp. The lightweight Solar AC/DC Current Clamp is a compact instrument capable of providing accurate measurements of AC or DC currents in conductors measuring up to 22mm in diameter. Used in conjunction with the PV200, AC and DC currents can be measured from 0.5A to 40.0A. 

The SolarCert Solar PV Reporting Software which is also a part of the solar PV200 kit allows you to easily download and manipulate data from your PV200. You can view accurate and detailed I-V curves and compare against module manufacturers STC values. 

You can also view measured, STC and nominal values for each string; calculate and display the fill factor and performance ratio for each string, and create a performance report for an entire site or drill down into a single string with the click of a button.

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