Page 24 - North American Clean Energy November/December 2018 Issue

solar energy
Exclusive ground screws
APA has secured an exclusive U.S. distribution agreement for their APA Ground Screws which are available with APA racking or can be fitted with other ground mount and tracker systems.
The ground screws are designed to
APA’s in-house engineering specs and backed by APA’s quality guarantee. Customers will work directly with APA
for all orders. APA will manage the entire process for in-house application testing, loading engineering, volume ordering, and inventory. The ground screws are available with standard depths of 40", 61", 73", and 85" to accommodate frost depths around the country. APA's standard screw diameter is 2.35" for better drivability, and a low cost point. Additional diameters up to 4.5" are available. APA's ground screws are designed with heavy wall tube, welded connections, hot dipped galvanized coating, and a forged tip, and are backed by APA's guarantee. These features allow massive amounts
of torque and down pressure to be applied, penetrating the toughest soils. The APA Ground Screw is a solution for all APA racking systems and can easily be outfitted for other racking systems using either the set screw or flange connection. The ground screws are easy to install with a skid loader or mini excavator with an auger attachment or a pile driving rig with a rotary head.
APA Solar Racking www.apalternatives.com
Optimized two-pole 1500VDC switch for UL and IEC solar industry
ABB has launched a fully optimized two- pole DC (OTDC) switch-disconnector for 1500V utility-scale photovoltaic power plants covering 315-630A IEC and 250- 600A UL current range. The new design offers both a size reduction and an increase in efficiency and performance to help manufacturers of PV combiner boxes, inverters, and energy storage systems adapt to the industry’s rapid adoption
of 1500VDC solutions. The two-pole 1500VDC concept helps manufacturers improve system efficiency, reducing switch losses by up to 35%. Measuring
just 150mm wide and 122mm high across the current range, the compact size of
the new OTDC range makes it possible
for manufacturers to reduce the size of combiner boxes and inverters. ABB’s design makes it possible to operate up to two 1500VDC strings with just one switch. In addition to the standard connections, the OTDC’s modular design also makes it possible for ABB to fulfill the non-standard requests that come from the quickly changing solar market. The OTDC range
is a family of robust switch-disconnectors, designed for photovoltaic and Battery Energy Storage Systems (BESS) applications. The range is tested according to the UL, IEC and CCC standards to withstand the extreme outdoor conditions and sudden temperature changes that are usual in a solar farm.
ABB | www.abb.com
Four-module 1200W microinverter
APsystems unveils the QS1, a four- module, single phase microinverter for residential applications which offers a 75% reduction in installation time, while providing high peak output power and up to 3X faster data transmission speed than PLC. A wide MPPT voltage range will result in a great energy harvest for homeowners.The QS1 is designed to accommodate today's high output PV panels up to 375W, offering 300W AC output per channel. The unit also reduces installation time and costs, taking the place of four conventional microinverters per each QS1 installed while still providing four independent MPPT. The QS1 utilizes a common AC trunk cabling with the dual-module YC600, offering flexible mix-and-match compatibility on the same circuit to enhance site design capability and maximize circuit capacity. Both microinverters also utilize the
same gateways; installers can choose from the ECU-R, for single or multi- residential installations, or the ECU-C, for applications requiring consumption monitoring and advanced contact/
relay features. A 2.4GHz wireless Zigbee mesh network offers enhanced data transmissions speed. The QS1 builds
on APsystems’ line of multi-module microinverters, offering reduced logistics costs, integrated communication and connection features, and a wide MPPT voltage range for greater energy harvest during low light conditions.
APsystems | www.apsystems.com
Increasing solar power module efficiency for homeowners
Panasonic Eco Solutions of North America unveiled new high-efficiency HIT series solar modules that offer increased module efficiency at high temperatures, enhanced module design, and durable long-term performance. The expanded Panasonic Photovoltaic HIT portfolio of 96-cell, 40mm modules include the N340/N335 HIT+ Series with 20.3/20% module efficiency, and the N335K/N330K HIT+ BLACK Series with 20/19.7% module efficiency, expected
to be available in the U.S. in 2019. New HIT series module features also include; high module efficiency that enables higher power output and greater energy yields, a new 40mm frame designed to increase durability and strength, with the ability to handle loads of up to 5400Pa. Additionally, the module’s enhanced design features a water drainage system providing rain water and snow melt a place to go, reducing water stains and soiling that enables sunlight to get through to generate more power, low degradation with HIT “N-type” cells, which result in Low Light Induced Degradation (LID) and zero Potential Induced Degradation (PID) to support reliability and longevity. This technology reduces annual degradation to 0.26%as compared to 0.70% in conventional solar modules, and a 25-year comprehensive warranty that covers module performance and workmanship. Panasonic Corporation
of North America
www.panasonic.com
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AC assisted off-grid solar inverters
CyboEnergy, Inc. has developed a family of AC assisted off-grid CyboInverters that can run almost any kind of AC loads including air- conditioners, refrigerators, EV chargers, pumps, motors, appliances, lights, fans, TV, computers, etc., without batteries. This product allows a battery- less off-grid solar system to start and run heavy loads 24/7 with consistent performance under DC and AC power variations and load changes. It is well suited for areas such as California, Hawaii, Europe, and Caribbean Islands where electricity is costly, yet on-grid solar is no longer welcomed due to grid capacity limitations.
CyboEnergy | www.cyboenergy.com
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