Huawei SUN2000-185KTL-INH0 - User Manual

Huawei SUN2000-185KTL-INH0

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

User Manual

Issue 19

Date 2023-12-20

HUAWEI TECHNOLOGIES CO., LTD.

Table of Contents

Other manuals for Huawei SUN2000-185KTL-INH0

Quick Guide28 pages

Questions and Answers

M
Maria LozanoAug 27, 2025
How to troubleshoot abnormal grounding on Huawei SUN2000-185KTL-INH0?
- K
  Kelsey MeyerAug 27, 2025
  Abnormal grounding in your Huawei Inverter can occur if the PE cable of the inverter isn't properly connected, or if the inverter output side doesn't connect to an isolation transformer when the PV string output is grounded. Ensure the PE cable of the inverter is correctly connected. If the PV string output is grounded, verify that the inverter output side connects to an isolation transformer.
A
Amber JenkinsAug 27, 2025
What causes Grid Overvoltage on a Huawei SUN2000-185KTL-INH0?
- T
  Tammy ParkerAug 27, 2025
  Grid overvoltage in your Huawei Inverter means the grid voltage is beyond the upper threshold, or the overvoltage duration has exceeded the time that triggers HVRT. First, check whether the grid connection voltage exceeds the upper threshold and contact the local power operator if it does. If you have confirmed that the grid connection voltage exceeds the upper threshold and obtained consent from the local power operator, modify the overvoltage protection threshold. Also, check whether the peak grid voltage exceeds the upper threshold.
J
Jennifer MclaughlinAug 25, 2025
Why is the string input voltage too high on my Huawei SUN2000-185KTL-INH0?
- R
  richard87Aug 26, 2025
  A high string input voltage on your Huawei Inverter occurs when the PV array is improperly configured, meaning too many PV modules are connected in series, causing the PV string open-circuit voltage to exceed the inverter's maximum operating voltage. To fix this, reduce the number of PV modules connected in series until the PV string open-circuit voltage is within the inverter's acceptable range. The alarm should disappear after correcting the PV array configuration.
V
Valerie HarrisAug 25, 2025
What to do if Huawei Inverter shows Grid Loss?
- D
  diazchristopherAug 25, 2025
  A 'Grid Loss' alarm on your Huawei Inverter indicates either a power grid outage or a disconnection in the AC circuit, or the AC switch is off. The alarm should clear automatically once the power grid is restored. In the meantime, check if the AC circuit is disconnected, or the AC switch is off.

Huawei SUN2000-185KTL-INH0 Specifications

General

Model	SUN2000-185KTL-INH0
Type	String Inverter
Rated Output Power	185 kW
Max. DC Voltage	1100 V
Max. Input Voltage	1100 V
Start-up Voltage	200 V
Max. Input Current per MPPT	26 A
Rated AC Power	185 kW
Rated AC Voltage	400 V
Rated AC Frequency	50 Hz / 60 Hz
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
Total Harmonic Distortion (THD)	< 3%
MPPT Efficiency	99.9%
DC Connection	MC4
Protection Class	IP66
Operating Temperature Range	-25 °C to +60 °C
Max. Input Power	253 kW
Display	LED Indicator
Communication	RS485, Ethernet

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