Huawei SUN2000-175KTL-H0 - B String Access Detection

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B String Access Detection

Function Description

● Applies to large-scale commercial ground PV plants with PV strings facing the

same direction.

● In AC or DC power limiting scenarios:

– If the PV string access type is not identied, the value of PV Status will

keep being displayed as Not connected. The PV string access type can be

identied only when the inverters restore to the non-power limiting state

and the current of all connected PV strings reaches the startup current.

– If the PV string access type has been identied, when some PV strings

connected to the 2-in-1 terminals are lost, no alarm will be generated. If

some PV strings connected to the 2-in-1 terminals are restored, the

access type cannot be identied. It can be determined whether all the 2-

in-1 PV strings are restored only when the string current reaches Startup

current for 2 in 1 detection.

Procedure

Step 1 Log in to the SUN2000 app as Advanced User. The initial password is 00000a.

NO TE

Use the initial password upon rst power-on and change it immediately after login. To

ensure account security, change the password periodically and keep the new password in

mind. Not changing the initial password may cause password disclosure. A password left

unchanged for a long period of time may be stolen or cracked. If a password is lost, devices

cannot be accessed. In these cases, the user is liable for any loss caused to the PV plant.

Step 2 Choose Function Menu > Maintenance > String Access Detection to go to the

parameter setting screen.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1)

User Manual B String Access Detection

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