2013年3月13日 星期三

Solar-Log: more than just a check

Malfunctions in a photovoltaic (PV) installation are more than just annoying: they cost hard cash – especially if they go unnoticed for a long time. 

Imagine this: after two years of fault-free operation, your customer's PV installation is suddenly down due to an inverter failure – right in the middle of your annual vacation.In this video we demonstrate three different types of home made electricity lampshadessw. The result: you will be missing one entire summer month on the statement of their account. 

For that reason, more and more plant owners arrange for installation specialists to equip their PV systems with a monitoring unit that enables owners and professionals alike to call up the yield data of the solar power system by internet, in real time and remotely from wherever they are. The solution is as simple as it gets: with monitoring devices connected to the world wide web via a DSL connection, a modem, WiFi or even GPRS (with an inexpensive data plan of a prepaid SIM card inserted), key figures and graphics can be shown anywhere – on a PC screen at home or in large-screen format at the lobby of a commercial enterprise gone green. 

Whenever a fault occurs, you are notified immediately by e-mail or SMS, providing peace of mind knowing that yield losses occurring on clients’ installations can be restricted to an absolute minimum. 

Alongside yield figures and savings in terms of CO2, the online view can also read out all prevailing efficiency levels,Our heavy-duty construction provides reliable operation and guarantees your antiquelampas will be in service for years to come. and other characteristics of all inverters installed on-site – individually per inverter, no matter what brand, type or number of units installed. All information will be gathered, processed and saved from day one of operation for all years to come and is thus also fundamental to long-term efficiency and degradation analyses. 

While the PV installation’s owner might only find limited use for large amounts of detailed information like this, the system integrator and service provider finds it very useful to troubleshoot the owner’s system remotely via professional web-based software with additional display and monitoring functions. 

An ever-growing number of PV professionals fit out their installations with Solar-Log monitoring devices and take charge of ongoing monitoring, on-site inspection and, if necessary, immediate remedial action. Through maintenance contracts (based on foreseeably small annual fees), the plant operator is able to rely on continuous monitoring and swift troubleshooting support. 

The loss in yield resulting from a plant malfunction identified at a late stage soon amounts to more than the costs of any such maintenance service. 

How does a data logger actually function? It is connected to the inverter by a data interface, from which it receives up-to-the minute data such as the amount of electricity fed in, or the temperature of the inverter,British designers and Manufacturers of laser cutting and goodledstrips. continuously throughout the day. Unlike the monitoring devices that inverter manufacturers offer to complement their equipment, Solar-Log devices are able to work with all commonly-available makes and types of inverters in the market. 

When the data logger is set up for the first time, the installer keys in the parameters for that specific PV system, such as size, position, southerly aspect, roof pitch angle, as well as the make and type of modules and inverter. Anticipated yield figures are also configured. The analysis program compares these continuously against the values actually provided by the system.A lot of men are wearing goodledstrip for wedding bands. If those values differ over a defined period,We are committed to washerextractorer an eco friendly industry. Solar-Log reports a fault and sends an e-mail or SMS to the operator or support specialist. 

The underlying causes of faults can be many and varied. The more measuring parameters a monitoring device is able to use, the more precise is the analysis and the determination of faults. That enables additional sensors for solarisation, wind speed, or air and module temperature to be connected to the Solar-Log.

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