1000W LCD Solar Grid Tie inverter With built-in strength limiter, MPPT pure sine wave on grid inverter DC22-65V or 45-90V to AC 110V/220V,latest program Version 6 enable you to use limiter/wifi function(WIFI Plug required)
Applied Standards:
VDE-AR-N 4105:2018-11;
DIN VDE V 0124-100:2020-06
G2 (Generation 2) SUN Series Grid Tie Power Inverter Limit Function User Manual
Why our grid tie inverters want limitfunction? --- It is in reaction to the overwhelming clamor from our customers
for a operate that may control the amount of energy that the grid tie inverters can generate this function, the inverters will simply generate power that is not bigger than the loads’ strength even the inverters are linked with big strength photo voltaic panel array, we name it “limit function”
Because in some countries, the manufacturer will pay for the excess strength it affords to the distribution grid This is as a result of
the electrical energy meter(the one provided by the electricity provider within the area) isn't aware of the route of energy stream In different words it solely provides even though power is exported to the grid, thus, the buyer may be charged for power even supposing it is given to the grid, and here's the difficulty
Our SUN G2 sequence grid tie inverters are incorporated this limit function, so SUN G2 series inverters can paintings in restrict mode
or normal mode(no limit), you may make the configuration on the LCD reveal
The limit sensor ought to be clamped at the live line at the position before the loads&; access points, and the inverter&;s
access point could be at any role on the same reside line, see photo 1 The inverter with the limit operate will simply generate strength that's lower than whole power consumption by way of loads that are related after the position that the limit sensor clamped The inverter won't measure loads’ energy that linked before the point of the limit sensor clamped
Connecting formula for three levels AC grid
If your AC grid is three phases grid, and you've more SUN G2 grid tie inverters, then you definitely
can join inverters to 3 stages separately Please see photograph 2 These three inverters won't impact one another Gline may be linked as normal, so not shown in picture 2
Connecting multiple inverter on onelive line:
If you would like use extra inverters on one live line to generate extra strength and in addition need restrict function, you would join inverters like photo 3(for two inverters) The two inverters won't produce a similar power, yet restrict function continues to be available G line might be related as normal, so now not shown in picture three
Limit operate for the USA cut up section AC grid
First connecting system for SUN-2000G2(Suggested)
The inverter ought to be connected to atone for 240V plenty Because the inverter will generate a similar value feed recent at L1 and L2, and 240V loads additionally eat an identical cost current at L1 and L2, so with the restrict operate of the inverter, the inverter will simply produce power that's similar as or lower than 240V loads’ power, there will be no more countercurrent feeding to the AC grid So if the 240V loads had been connected at separate strains and never mixed with 120V loads, you can join the inverter and clamp the restrict sensor as picture4
Picture 4: Connecting components for Compensating 240V loads’ strength at a separate dwell line
Second connecting formula for SUN-2000G2(Suggested)
If 240V plenty and 120V a lot have been related on the similar live lines, but 240V plenty had been connected after
120V loads, the best connecting formulation is clamping the restrict sensor at the reside line on the function after the
120V lots and before 240V loads The inverter would be connected at any role on the stay lines, See photograph 5
Because the inverter will produce a similar price feed recent at L1 and L2, and 240V plenty additionally devour an analogous
cost latest at L1 and L2, so with the limit function of the inverter, the inverter will just produce strength that is similar as or less than 240V loads’ power, there'll be no extra countercurrent feeding to the AC grid
Third connecting method for SUN-2000G2(Can be used, yet no longer suggested)
If 120V plenty and 240V a lot were mixed, and the 240V loads have been related before 120V loads, the inverter
and restrict sensor would be put in as photo 6
With this connecting method, because the total loads&; intake at L1 and L2 usually are not the same, but
the inverter will simply produce an analogous value feed recent at L1 and L2, so the limit sensor must clamp on the
L1 or L2, which whole loads’ power is smaller, this could forestall more countercurrent feeding to the AC grid,
otherwise, there will be extra countercurrent feeding to the AC grid if the inverter can produce sufficient current to
compensate the bigger latest at L1 or L2 If you join a formula like picture 3, loads&; strength at L1 should be much less
than loads&; strength at L2, otherwise, the limit sensor should clamp at L2
Using two SUN-1000G2 inverters to connect to US cut up phase AC grid(Good solution)
Using two SUN-1000G2 inverters to compensate L1 and L2 loads’ latest individually, with this method, the
inverters&; limit operate can work very well, there will be no more countercurrent feeding to the AC grid from L1and L2, see photograph 7 You also can just connect one SUN-1000G2 unit with a restrict sensor at one of the stay lines
Important information:
After Having linked the inverters and limit sensors as one method listed above, If you prefer to use
restrict function, you furthermore may should do beneath configuration on LCD display, You should select “Internal Limiter”
as photo 8
If the exhibit shows as picture 9, this implies the limit sensor isn't related well, or there are not any lots
powered on, you can examine the restrict sensor and switch on some a lot If there is not any loads’ power, the
inverter won't produce energy beneath the restrict mannequin
If the display displays as picture 10, the AC grid strength is negative, this means the clamping orientation of the sensor isn't correct
If so, you should clamp the limit sensor within the wrong way as photograph eleven
If you probably did all the things correctly, the LCD display should display as photograph 12
The inverter just produces almost an analogous energy as the loads&; power, so the AC grid simply consumes very
small energy if the inverter can produce ample energy to compensate the loads&; strength
(Remark: Numbers at the LCD demonstrate could be varied for different inverter and assorted utilizing environment)
APP Model:
Packing list:
2000W Grid tie inverter----1pcs;
AC cable----1pcs;
clamp sensor with 2m cable---1pcs;(Optionals ,only for these model with limiter function,cable can be extended with more cost)
WIFI plug---1pcs(Optional,only for those models with WIFI function)
English Manual---1pcs
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