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5KTL-M1

5KTL-M1

Created: Mar 31, 2021 07:22:31Latest reply: Feb 21, 2022 18:29:18 651 11 0 0 0
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Can a 5KTL-M1 also be used in a delta grid 3x230V, thus without (N)?

If so, how?

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BetterMing
Created Mar 31, 2021 07:29:04

Hello, dear.

SUN2000-5KTL-M1 supported power grid types：

The SUN2000 supports TN-S, TN-C, TN-C-S, TT, and IT power grids.

Figure 2-3 Power grid types
download?uuid=b57bfc2b326e4200bae41c0497c5202b
download?uuid=ca7195048af84b87b80f43f614fe787f

  • When the SUN2000 is used in the TT power grid, the N-to-PE voltage must be less than 30 V.

  • When the SUN2000 is used in the IT power grid, set Isolation to Input ungrounded, with TF.


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Tang_li
Tang_li Created Mar 31, 2021 08:18:46 (0) (0)
SUN2000-(3KTL-10KTL)-M1 User Manual
https://support.huawei.com/enterprise/en/doc/EDOC1100163578?idPath=22892350%7C21439560%7C7921563%7C21102413%7C22755755  
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2#
BetterMing
BetterMing Created Mar 31, 2021 07:29:04

Hello, dear.

SUN2000-5KTL-M1 supported power grid types：

The SUN2000 supports TN-S, TN-C, TN-C-S, TT, and IT power grids.

Figure 2-3 Power grid types
download?uuid=b57bfc2b326e4200bae41c0497c5202b
download?uuid=ca7195048af84b87b80f43f614fe787f

  • When the SUN2000 is used in the TT power grid, the N-to-PE voltage must be less than 30 V.

  • When the SUN2000 is used in the IT power grid, set Isolation to Input ungrounded, with TF.


View more
  • x
  • convention：

Tang_li
Tang_li Created Mar 31, 2021 08:18:46 (0) (0)
SUN2000-(3KTL-10KTL)-M1 User Manual
https://support.huawei.com/enterprise/en/doc/EDOC1100163578?idPath=22892350%7C21439560%7C7921563%7C21102413%7C22755755  
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3#
TechSpec
TechSpec Created Mar 31, 2021 07:34:41

What does the IT-grid mean? Output 3x400V or 3x230V of the SUN2000?
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Tang_li
Tang_li Created Mar 31, 2021 08:15:04 (0) (0)
without (N), three-phase

SUN2000-(3KTL-10KTL)-M1 User Manual
https://support.huawei.com/enterprise/en/doc/EDOC1100163578?idPath=22892350%7C21439560%7C7921563%7C21102413%7C22755755  
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4#
TechSpec
TechSpec Created Mar 31, 2021 10:19:27

The given answers are still blur for me. In a IT grid, does the 5ktl-m1 give 3x230V (thus without N) as output or 3x400 (without N)? This is important to know because there are still a lot of 3x230 grids (without N) everywhere in the world. If, by changing a parameter or parameters, it is possible, I would like to know how. Not a good idea to put 3x400V from the 5ktl-m1 on this 3x230V grid directly. Already thank you for your answers.
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Tang_li
Tang_li Created Apr 1, 2021 06:50:20 (0) (0)
A to B or A to C or B to C is 400/380
Voltage from phase A to the ground is 220 / 230
You can see those parameters in the user manual.  
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5#
TechSpec
TechSpec Created Apr 1, 2021 08:46:15

I agree for a 3x400V+N setting. But what about the grid reference table? This mentions that the inverter is in accordance with C10/11. According to this technical regulation C10/11, an inverter should be able to work in a 3x230V grid without N by changing a parameter. Perhaps I didn’t express myself correctly, but isn’t it so that, in a IT setting, that the output from the inverter is then 3x230V, if the technical regulation has been followed?
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6#
BetterMing
BetterMing Created Apr 2, 2021 07:00:56

You can refer to the following information:

Grid Code


download?uuid=4eda2c650b06404e932c983f4b64c1dd

The grid codes are subject to change. The listed codes are for reference only.

Table A-1 Grid Code

No.

Grid Code

Remarks

1

VDE-AR-N-4105

Germany low-voltage (LV) power grid

2

UTE C 15-712-1(A)

France mainland power grid

3

UTE C 15-712-1(B)

France island power grid

4

UTE C 15-712-1(C)

France island power grid

5

EN50438-CZ

Czech power grid

6

RD1699/661

Spain LV power grid

7

EN50438-NL

Netherlands power grid

8

C10/11

Belgium power grid

9

AS4777

Australia power grid

10

IEC61727

IEC 61727 LV grid-tied power grid (50 Hz)

11

Custom (50 Hz)

Reserved

12

Custom (60 Hz)

Reserved

13

TAI-PEA

Thailand grid-tied standard power grid

14

TAI-MEA

Thailand grid-tied standard power grid

15

EN50438-TR

Turkey LV power grid code

16

IEC61727-60Hz

IEC61727 low-voltage power grid (60 Hz)

17

EN50438_IE

Ireland LV power grid

18

PO12.3

Spain LV power grid

19

EN50549-LV

Ireland power grid

20

ABNT NBR 16149

Brazil power grid

21

DUBAI

Dubai LV power grid

22

TAIPOWER

Taiwan LV power grid

23

EN50438-SE

Sweden LV power grid

24

Austria

Austria power grid

25

G98

UK G98 power grid

26

G99-TYPEA-LV

UK G99_TypeA_LV power grid

27

AS4777-WP

Australia power grid

28

SINGAPORE

Singapore LV power grid

29

HONGKONG

Hong Kong LV power grid

30

EN50549-SE

Sweden LV power grid

31

AS4777_ACT

Australia power grid

32

AS4777_NSW_ESS

Australia power grid

33

AS4777_NSW_AG

Australia power grid

34

AS4777_QLD

Australia power grid

35

AS4777_SA

Australia power grid

36

AS4777_VIC

Australia power grid

37

EN50549-PL

Poland

38

CEI0-21

Italy LV power grid

39

SWITZERLAND-NA/EEA:2020-LV230

Switzerland


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7#
TechSpec
TechSpec Created Apr 2, 2021 07:56:40

All right, we’re going around in circles here. That’s a pity. I thougt to find somenone technical who knows his inverters and that they are according the technical regulation C10/11, meaning: in a 3x400V+N setup we have 230V between fase and N and in a IT (without N) setup we have 230V between two fases, thus every time the 230V is present, no matter what setup is choosen but I thought wrong. Otherwise, in my opinion, the IT setting would be useless if its output is 3x400V because in domestic grids, the pure 3x400V grid is simply not used or even available, only the pure 3x230V grid without N. I’m sorry to have bothered you ...
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BetterMing
BetterMing Created Apr 2, 2021 09:41:49 (0) (0)
Sorry, if you want to feedback on some news, you can contact the inverter team. eu_inverter_support@huawei.com  
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8#
rikgoussey
rikgoussey Created Feb 21, 2022 18:29:18

Hello, have you found a solution already, I'm having the same problem here in Belgium (3x220V),greetings

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