array | Page 2

array

Recent contents View information Top users
  1. Worcester

    BenQ Panels - grounding

    Don;t you love it :) Got an isntallation to do next week with BenQ 325's and now our suppliers are offering PM318B01 in lieu of the PM096B00, and it would appear that the 318's need grounding.. I Don't have a problem with the array, (used to do that anyway ..) however it also says...
  2. J

    Array frame earthing

    Hi, still confused about array frame earthing. I will be fitting my first install soon on a garage roof, even using the DTI decision tree its unclear as to earthing the frame. Will be using a electronic ( transformer-less ) inverter from power one ,3kw system. Decision tree from DTI mentions...
  3. G

    Hyundai PV Panel Array - RISO test help

    I have two 8 panel strings laid flat on a flat roof connected to a Power One inverter. One of the strings is showing a RISO of 0.5 mohm or less. The cables and connectors are all dry and intact, so I think is is a faulty panel. The voltage test doesn't identify the actual panel. If I take off...
  4. P

    Low RISO fault

    Have a problem with a customers array as both the Power One 27.6tl and the 20.0tl are registering low Riso faults. The array has been earthed on the roof and is made up of Renesola 255s. When tested across the +ve and -ve of each string to earth the same voltages were obtained for all strings on...
  5. S

    Help needed with Multiple array/ invertor/generation meter, single import meter

    Dear all, I need a bit of advice on a multiple install that I have been discussing with a customer. He is building 4 holiday lodges in his garden and would like each one to have 2.5kWp system. Each chalet is fed via a private SWA from a remote cabinet housing the supply meter for the lodges only...
  6. B

    Islanding 4kw array

    Hi All, Whats the situation on islanding an installation, customer in interested in not being grid connected but wants 4kw array?
  7. B

    Ground mount/flat roof array with adjustable feet / height?

    Can anybody help......I am trying to design a solar install. on a single height ground mount frame.A flat roof array system has been suggested to me which we will mount on concrete.Our problem being the site of install has quite a large run on it and could end up a lot of work to get the...
  8. D

    PV Array Testing and Micro inverters

    Struggling to find a great deal of information regarding how to conduct testing and complete the PV Array Test Report. I thought there would have been many people facing the same issues. I don't have a copy of BS EN 62446 at present. Does this include any information specific to testing micro...
  9. L

    PV Array trips RCD's

    Hi, anyone got any advice re this problem that I can't solve.... I have 2 PV arrays installed, a 4.2Kw and a 5.0Kw. The electricity supplier here made me install them on 2 seperate single phase supplies. My house now runs on 2 seperate supplies, half on one supply and the other half on the...
  10. B

    PV Array Isolation

    Would appreciate advice and opinions from MCS Installers on the following: Existing PV System on/in a domestic property that is now being fully refurbished and extended. DC isolator, Inverter, Generation Meter and AC Isolator board mounted on what is now a garage wall, but will be an internal...
  11. TaffyDuck

    Voltage on CPC from PV Array.

    Hi Guys I wonder if someone with more experience of PV might be able to give me some advise. Was called out today to a domestic building with a remote barn on which a 4kW PV array is sited. The Inverter is in the barn and a long (50m) 2.5mm twin and earth in pipe (historic) feed back to the...
  12. D

    Voltage Optimisers with PV array and high grid Voltages

    Just wondered what you guys feelings were on fitting one of these units to control grid voltage down to a constant 220v at the consumer unit was, I know we have discussed similar before, but thought it may be time to relook at these units ?? I haven't got high grid voltages to contend with...
  13. D

    Solar Panel Array to charge 24v batterys

    Solar panel details Hello everyone Im a new member to the forum, i have done a course on industrial electronics so im no expert on solar panel arrays etc, Im thinking now of making up a solar panel array (off grid) to charge 24v batteries(2x12v) and use them with 24v to 240v true sine wave...
  14. N

    Large solar array 40KW 160 panels, welcomed thoughts!!

    Your thoughts Designing the module layout on a building.... I see many designs where all modules are clumped together like one big roof sheet. Surely its better to to split the module into string sections with a 200-300mm gap between arrays/strings to allow for maintenance (access to each...
  15. F

    PV Array Update: SAP Target Met

    Despite a very poor summer, my solar array has just met its SAP2009 target - not that we place much weight on the SAP estimates, but at least it's a marker. - System comissioned: 16-17th January 2012. - (3.75kW) 15x 250W Kinve KV250-60M - two strings; 7+8. - (3.6kW) PowerOne Aurora PVI-3600-UK...
  16. C

    Array insulation resistance

    Can anyone help me? I've got an annual inspection this week What's the procedure for carrying out an array insulation resistance with a Megger 1552? Many thanks
  17. M

    Tariff advice and metering for second array

    Hi, im after some clarification on the tariffs for a second array please. Basically there is a 16kWp array istalled on a college early last year, the college now want a second 30kWp array on the same building, what tariff rate would they expect to recieve for the second array? Also wondered if...
  18. F

    Earthing PV Array? - 22.5kWp System

    I have read the DTi guidelines and it says earth the array to a rod as main earthing system is PME. I have also spoken to several people who say leave it floating. I'm using an SMA Tri Power TL which obviously has no transformer. Who is right? It is on a 3 storey building so no one can get...
  19. F

    If I added a second 3-4kWp array.........

    Where does it say in the literature how my existing FiT rate and duration would stand, and how I would stand with the new array? All I can find is mention of arrays with total installed capacity >4kW, and no mention of how to apply for additional arrays on Scottish Power's FiT application...
  20. S

    increasing the size of an array

    Quick question - to increase the size of an existing array, the new panels will come under the new FIT rate. Npower have said that we don't have to install a 2nd generation meter as they will pro rata the payments to reflect what has been installed. If we did want to install a 2nd gen meter...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

YOUR Unread Posts

This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.
Back
Top