Generators and Solar

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Last post by gregmcc « Thu Apr 23, 2020 12:23 pm
Posted in Announcements
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by gregmcc » Thu Apr 23, 2020 11:50 am » in Announcements

Hi everybody,
Just thought it was time for an update. We have over 160 members which is very good. Thank you for your support!

A few new features...

4 Replies

7401 Views

Last post by gregmcc
Thu Apr 23, 2020 12:23 pm

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ASNZS5139

Last post by TPower « Fri May 06, 2022 5:52 am
Replies: 2
by TPower » Thu May 05, 2022 6:07 am

On the EWRB website, on one of their toolbox topics titled; ‘Which Standards apply and where can I find them?’

Regarding PV systems, it states ‘The...

2 Replies

113 Views

Last post by TPower
Fri May 06, 2022 5:52 am
Stand alone generator supplying a single item - MEC size?

Last post by JamieP « Mon Apr 25, 2022 11:11 am
Replies: 5
by JamieP » Sat Apr 23, 2022 5:51 pm

We have a proposed installation of a remote generator, supplying a VFD and then to a pump motor.

I believe the generator will need an earth...

5 Replies

139 Views

Last post by JamieP
Mon Apr 25, 2022 11:11 am
Cable entry into DC isolator

Last post by PeteRig « Thu Mar 17, 2022 9:46 am
Replies: 4
by TPower » Tue Mar 15, 2022 8:52 pm
Rating: 11.11%

Regarding cable entry into DC isolators via conduit, when isolator is indoors/adjacent PCE.

5033/2014 clause 4.4.4.6(c) states for DC isolators...

4 Replies

266 Views

Last post by PeteRig
Thu Mar 17, 2022 9:46 am
Is stand alone system inspectable

Last post by AlecK « Fri Dec 10, 2021 12:00 pm
Replies: 9
by Dan L » Wed Oct 06, 2021 4:57 am

Is a stand alone generator system as shown in fig 7.6 inspectable.

its a generator supplying an MEN SWITCHBOARD.

ESR reg def of mains work...

9 Replies

999 Views

Last post by AlecK
Fri Dec 10, 2021 12:00 pm
Modules with different azimuth in series

Last post by AlecK « Tue Nov 16, 2021 10:31 am
Replies: 2
by Biner » Tue Nov 16, 2021 8:03 am

Good morning

I have been asked to do a solar inspection, first time I have come across a string in series with multiple azimuths/angles. Each module...

2 Replies

383 Views

Last post by AlecK
Tue Nov 16, 2021 10:31 am
5033:2012 4.4.1.5 (d) Location of means of isolation for servicing

Last post by PeteRig « Sat Nov 13, 2021 9:25 am
Replies: 11
by JamieP » Mon Oct 11, 2021 5:33 pm
Rating: 11.11%

Where does this means of isolation need to be located, I always thought it had to be on the roof in place of a RTI but I can't see anything that...

11 Replies

1212 Views

Last post by PeteRig
Sat Nov 13, 2021 9:25 am
Switchboard for Generator with RCBO

Last post by Tiger « Thu Sep 30, 2021 12:24 pm
Replies: 2
by Tiger » Tue Sep 28, 2021 11:50 pm
Rating: 11.11%

Hi Everyone，

I am asked to do a switchboard for the a Hyundai Generator as per attached plate photo.

It is not connected to the grid and will not...

2 Replies

415 Views

Last post by Tiger
Thu Sep 30, 2021 12:24 pm
Where does mains parallel generation stop? Grid tied PV

Last post by AlecK « Wed Sep 01, 2021 1:48 pm
Replies: 3
by JamieP » Wed Sep 01, 2021 8:22 am
Rating: 11.11%

PEW regarding mains parallel generation systems and PV installations are high risk

5033 clearly states that the PV part is This Standard sets out...

3 Replies

2232 Views

Last post by AlecK
Wed Sep 01, 2021 1:48 pm
Solar Inverter RCD protection

Last post by AlecK « Tue Aug 24, 2021 3:25 pm
Replies: 5
by JamieP » Tue Aug 24, 2021 10:00 am
Rating: 11.11%

I recently made a post elsewhere that touched on this but thought this deserved a dedicated thread

4777.1:2016 allows such an arrangement and is...

5 Replies

656 Views

Last post by AlecK
Tue Aug 24, 2021 3:25 pm
Solar installer wanted in Christchurch

Last post by GLion « Wed Jul 21, 2021 12:01 pm

by GLion » Wed Jul 21, 2021 12:01 pm

Hi,

My usual electrician hasn't done any solar installs.

I'm after someone to do the install and or electrical connection. Long story short I have...

0 Replies

314 Views

Last post by GLion
Wed Jul 21, 2021 12:01 pm
Section 4.5 - 4777.1-2016

Last post by AlecK « Mon Jul 12, 2021 10:33 am
Replies: 11
by Slovett » Tue Jun 29, 2021 11:42 am
Rating: 22.22%

I have a question about section 4.5 in 4777.1-2016.(I know 4777.1-2016 is not sited in the regs, but I can't find the 2005 version).

4.5 States that...

11 Replies

1565 Views

Last post by AlecK
Mon Jul 12, 2021 10:33 am
200Kva Generator Wash Plant

Last post by AlecK « Wed Jul 07, 2021 10:30 am
Replies: 3
by Chopper » Tue Jul 06, 2021 12:59 pm
Rating: 11.11%

We have a customer with a new Shingle Wash Plant that is to be supplied by a 200kva generator. The wash plant has 2 * 30kw pumps, 2 * 4kw vibrators...

3 Replies

673 Views

Last post by AlecK
Wed Jul 07, 2021 10:30 am
Single phase generator on a 3 phase installation

Last post by pluto « Sun Jun 27, 2021 1:00 pm
Replies: 6
by DougP » Sat Jun 26, 2021 8:08 am

For example, wiring a single phase generator inlet to a 3 phase installation.
---
Can a single phase changeover switch (two pole changeover)...

6 Replies

1118 Views

Last post by pluto
Sun Jun 27, 2021 1:00 pm
Tesla Power-Wall

Last post by PeteRig « Fri Mar 26, 2021 10:26 am
Replies: 8
by TPower » Wed Mar 24, 2021 12:34 pm
Rating: 33.33%

Tesla Power-Wall. Is the installation of one of the units to a property that has existing solar HR/inspectable PEW?

My understanding is it’s not...

8 Replies

1662 Views

Last post by PeteRig
Fri Mar 26, 2021 10:26 am
US enphase inverters

Last post by TPower « Thu Feb 25, 2021 6:10 am
Replies: 2
by TPower » Wed Feb 24, 2021 3:54 pm

I’m working in with an electrician who is installing a PV system, he’s doing the installation, I’ll be doing inspection.

I’ve been advised they’re...

2 Replies

763 Views

Last post by TPower
Thu Feb 25, 2021 6:10 am
PV Inverter incorrectly rated for the PV panels

Last post by PeteRig « Wed Dec 09, 2020 4:00 pm
Replies: 3
by PeteRig » Wed Dec 09, 2020 3:00 pm

I have a situation where a PV inverter's label has ratings less than the PV panel ratings:
The short circuit current rating (Isc) and the Max power...

3 Replies

992 Views

Last post by PeteRig
Wed Dec 09, 2020 4:00 pm
Number of DC isolators required?

Last post by AlecK « Wed Dec 09, 2020 10:43 am
Replies: 2
by TPower » Wed Oct 21, 2020 4:49 pm
Rating: 11.11%

If I have a PV system with two or more PV arrays connected to an inverter, what is the requirement for the number of switch-disconnectors?

I’ve only...

2 Replies

987 Views

Last post by AlecK
Wed Dec 09, 2020 10:43 am
Ordinary Duty Flexible Cord for PCE connection

Last post by AlecK « Sat Nov 21, 2020 10:26 am
Replies: 1
by JamieP » Fri Nov 20, 2020 8:42 pm

Is it suitable to use OD flex for connection from an isolator to inverter

3.9.7.4 leads me to believe that this is installation wiring as it is (i)...

1 Replies

685 Views

Last post by AlecK
Sat Nov 21, 2020 10:26 am
Solar Earth Value

Last post by JamieP « Fri Nov 06, 2020 9:16 pm
Replies: 9
by JamieP » Wed Nov 04, 2020 9:28 pm

I always ensure continuity of my earthing when completed a PV Array as we are required too and my values have always been very low so it's never been...

9 Replies

1955 Views

Last post by JamieP
Fri Nov 06, 2020 9:16 pm
Adding battery to solar.

Last post by AlecK « Wed Nov 04, 2020 8:37 am
Replies: 2
by ElectricalApprentice » Sun Nov 01, 2020 1:17 pm

Hey guys.

I have a grid tied solar setup and we are looking at adding a battery bank to store the excess power being generated during the day. I...

2 Replies

843 Views

Last post by AlecK
Wed Nov 04, 2020 8:37 am
Batteries - How to know whether to apply 3011.1 or 3011.2

Last post by pluto « Tue Oct 27, 2020 11:47 am
Replies: 3
by JamieP » Fri Oct 23, 2020 9:07 pm

Or in other words, how do we know if a battery has vented or sealed cells?

For example I've been asked to install an LG Chem Resu 10 and Im trying...

3 Replies

999 Views

Last post by pluto
Tue Oct 27, 2020 11:47 am
Calculating array max voltage 4.2 5033:2012

Last post by JamieP « Tue Oct 20, 2020 5:56 pm

by JamieP » Tue Oct 20, 2020 5:56 pm

Just curious what temperatures people use for this? Do you use the lowest ever recorded for a region? Or the average lowest temp etc?

Also where is...

0 Replies

524 Views

Last post by JamieP
Tue Oct 20, 2020 5:56 pm
Lockable main switch at switchboard connection - 4777.1 2005

Last post by AlecK « Tue Oct 20, 2020 5:55 pm
Replies: 7
by JamieP » Sat Oct 17, 2020 9:23 am

Screenshot_20201017-091911_Drive.jpg

The switchboard we connect the inverter or PCE to must have a main switch that is lockable

How can we comply...

7 Replies

1748 Views

Last post by AlecK
Tue Oct 20, 2020 5:55 pm
Solar Smart Meters Location

Last post by AlecK « Wed Oct 14, 2020 8:33 am
Replies: 3
by JamieP » Sun Oct 11, 2020 3:32 pm

I've been needing to install more and more smart meters in conjunction with inverters for better monitoring of PV systems.

My question is can such a...

3 Replies

933 Views

Last post by AlecK
Wed Oct 14, 2020 8:33 am
DC Switch Disconnector for PV system

Last post by TPower « Mon Oct 12, 2020 4:28 am
Replies: 3
by TPower » Sun Oct 11, 2020 1:27 pm

I’ve been doing inspections on two PV installs, and I have had a bit of difference of opinion with the electrician and his supplier regarding the DC...

3 Replies

1050 Views

Last post by TPower
Mon Oct 12, 2020 4:28 am

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