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micro

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  1. S

    Micro inverters

    Ok, I like the idea of micro inverters, not keen on the extra cost but that will come down and I'm sure the intial glitches will be resolved over the next few months and I love the monitoring system. BUT is it just me - my customers will be on the phone to me every time there's a slight...
  2. J

    Advice invited re: 4kW system with string or micro inverters

    Hello all I'd appreciate advice / views on a system we're considering having installed. We have a large roof with room for up to a 4kW system (faces 8 degrees east of south; 45 degree pitch; single expanse from first floor to ground floor level; rectangular lower section c10m wide, upper...
  3. G

    Use of Micro Inverters on one string.

    Hi all, I'm looking at a job where the customer would like to use Micro Inverters on a particular string, due to shading issues. However, we want to add 2 more strings which would be fine with a normal inverter. Is it possible to mix and match like this? I've not used Micro Inverters before, but...
  4. M

    Micro inverters

    Hi there, been reading the posts on here for a while and very informative! I wondered if anyone here has used micro inverters, in what circumstances and what you think of them? Had a quote job the other day with different roof surface orientations and drastically different sizes - one can...
  5. E

    Introduction: micro inverters advice

    Hello everyone, We've joined the forum in order to provide answers to any technical questions regarding solar PV inverters, particularly micro inverters. As you can see from the name, we are open about the fact that we represent a manufacturer of solar PV micro inverters but we won't be using...
  6. Energetic

    Micro inverters - Check with DNO

    I have been advised by WPD, my DNO that they are sending a letter advising all customers who notify with micro inverters that they must be disconnected untill a G83 compliance certificate can be provided for the whole install. A generic one for the unit is not acceptable. I have not done a...
  7. P

    String vs Micro Inverters

    We've recently quoted a customer for a 4kW ground mounted array. The array location is unshaded and is 5m away from their garage which has a consumer unit fed from the main house. We quoted for 16 panels plus a string inverter which would be housed in the garage. Since our visit a competitor...
  8. M

    Smallest number of panels in a string and the effects of shading on HIT panels

    We're busy collecting quotes at the moment, we've got an awkward install in that we have very little space on the roof for PV, and slight shading issues, I'm trying to understand the pros and cons of what we might be able to achieve. At the moment it's looking like we can fit no more than 5...
  9. J

    Micro invertors

    Has anyone heard/used a micro invertor. I have just recieved some bumf from one of the wholsalers i use that a company called enecsys are making panels which each have an individual invertor fixed on the underside of them. They offewr the usual gaurontees, ie 5 year manufacturer on panels, 80 %...
  10. R

    Enecsys Micro Inverters

    I did the Enecsys micro inverter training but they've got a technical hole in what they're offering??? They state that you can only connect a maximum of 16 micro inverters to one 30mA RCD so at 190w 16 panels is 3kWp so if we want 4kWp then we need 2 AC buses and 2 RCDs and unless we're...
  11. S

    Danfoss Micro Drive 51

    Hi, how can I start the VLT Micro Drive, stop the VLT Micro Drive, increase the frecuency and decrease the frecuency; to control with the digital inputs. Does anyone had programed one of this that could help me, it´s very important. Thanks
  12. R

    Anyone used a Danfoss VLT Micro Drive?

    Hello All I've installed a Danfoss VLT Micor Drive FC 51 to control the speed of a rubber belt conveyor. I have no problems using it Manually and using the Pot to control the speed of the motor, however, I'm struggling to understand how to setup the automatic function this drive has...
  13. I

    Micro Pumping Station RCD?

    Hello, I've got to get power to a Flygt Micro 5G pumpng station. (1.1kw) so I'm going to run 1.5mm SWA out to it on a dedicated circuit. Do I need to RCD protect it?

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