SUBSYSTEMS
TREK, INC wwww.trekinc.com
High Voltage Amplifier
TREK, INC.’s High Voltage Power Amplifier - Trek Model PZD350A - offers wide bandwidth and additional features important in photovoltaic, piezoelectric, electro-optic, MEMS and other applications.
The PZD350A provides a large signal bandwidth of 250 kHz (- 3dB) and a small signal bandwidth greater than 350 kHz (-3dB). This capability is especially important when driving capacitive loads in photovoltaic, piezoelectric driving/control, electro-optic, MEMS and other demanding applications such as laser modulation and ion beam control. The fully protected output of Model PZD350A assures that the amplifier is safe-guarded from incidental short circuits, arcing or energy return from the load device. The PZD350A offers outstanding DC stability, high speed and precise control of output voltages (DC or peak AC) in the programmable ranges of 0 to +/-350 V with an output current range of 0 to +/-200 mA (bipolar model); 0 to +700 V with +/- 100 mA (unipolar model); 0 to -700 V with +/-100 mA (unipolar model). An alternative PZD350A “M/S” design offers twice the current capability of the standard PZD350A models.
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Like all Trek amplifiers, the Model PZD350A utilizes a four- quadrant, active output stage which sinks or sources current into reactive or resistive loads throughout the output voltage range.
Vulcan Electric Company www.vulcanelectric.com
Temperature Sensors for Solar Energy Technologies
Vulcan's precision temperature sensors are currently being applied into many new solar energy process technologies in development at the world's leading research facilities and solar power test sites. From advances in next generation mono- crystalline and poly-crystalline silicon cell processes to thin film
KOSTAL Industrie Elektrik GmbH www.kostal.com/industrie
The KOSTAL group is a family-owned company with a headquarter in Lüdenscheid, Germany. In 1995 KOSTAL Industrie Elektrik was founded as an independent business unit within the KOSTAL group. One core competence is photovoltaics, especially PV junction boxes. The portfolio of PV junction boxes includes not only customer specific products, but also various universally usable solutions. Besides this KOSTAL Industrie Elektrik develops and produces PIKO- inverters, which are distributed via its international sales organisation KOSTAL Solar Electric.
Automatable PV junction box (SAMKO 100 02)
KOSTAL Industrie Elektrik has extended its portfolio of PV junction boxes. The company presented in Hamburg an
technologies such as CdTe, CIS, and CIGS, our temperature sensors are selected for their accuracy, stability, and reliability for application into the most extreme environments and critical temperature conditions.
This is essential for achieving the accurate output response and high slew rates demanded by reactive loads. Other technical parameters for the Model PZD350A include DC accuracy better than 0.1% of full scale and slew rate greater than 500 V/s (+/-350 V range) or 350 V/μs (700 V range). The unit has precision voltage and current monitors. It is CE marked. Please inquire about custom options and/or OEM designs. Trek designs and manufactures high-voltage power amplifiers and high- performance electrostatic measurement instrumentation. The company also provides ESD sensors and monitors for ESD- sensitive environments, and charged plate monitors for ionizer validation.
Junction Box
automatable PV junction box which has been developed in close cooperation with the German module manufacturer Solar- Fabrik AG, based in Freiburg. In order that this PV connection technology has to fit in the highly automated module manufacturing without any difficulties this new KOSTAL product consists of two parts. In a first production step the solar module is assembled with the socket of the PV junction box automatably.
The cap can be easily clipped on the socket of the PV junction box in a second step. By using this new automatable solution not only an increase in efficiency of module manufacturing can be achieved, but also the process reliability can be enhanced.
www.solar-pv-management.com Issue II 2010
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