Huawei SUN2000L Series User Manual

SUN2000L-(4.125KTL, 4.95KTL)-JP
User Manual
8 System Maintenance
Issue 03 (2018-04-11)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
120
Alarm ID
Alarm
Name
Alarm
Severity
Possible Cause
Suggestion
2036
Grid
Overfrequ
ency
Major
Cause ID = 1
Power grid exception: The
actual grid frequency is higher
than the local power grid
standard.
1. If the alarm occurs accidentally,
the power grid may be abnormal
temporarily. The SUN2000L
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
check whether the grid frequency
is within the acceptable range. If
no, contact the local power
operator. If yes, modify the grid
overfrequency protection
threshold with the consent of the
local power operator.
2037
Grid
Underfreq
uency
Major
Cause ID = 1
Power grid exception: The
actual grid frequency is lower
than the local power grid
standard.
1. If the alarm occurs accidentally,
the power grid may be abnormal
temporarily. The SUN2000L
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
check whether the grid frequency
is within the acceptable range. If
no, contact the local power
operator. If yes, modify the grid
underfrequency protection
threshold with the consent of the
local power operator.
2038
Unstable
Grid
Frequency
Major
Cause ID = 1
Power grid exception: The
actual grid frequency change
rate does not comply with the
local power grid standard.
1. If the alarm occurs accidentally,
the power grid may be abnormal
temporarily. The SUN2000L
automatically recovers after
detecting that the power grid
becomes normal.
2. If the alarm occurs frequently,
check whether the grid frequency
is within the acceptable range. If
no, contact the local power
operator.
2039
Output
Overcurre
nt
Major
Cause ID = 1
The grid voltage drops
dramatically or the power grid
is short-circuited. As a result,
the inverter transient output
current exceeds the upper
threshold and therefore the
inverter protection is triggered.
1. The SUN2000L monitors its
external working conditions in
real time. The SUN2000L
automatically recovers after the
fault is rectified.
2. If the alarm occurs frequently and
affects the power production of
the PV plant, check whether the
output is short-circuited. If the
fault persists, contact your dealer.

Huawei SUN2000L Series Specifications

General

Max. DC Voltage	600 V
Max. Efficiency	98.6%
Cooling	Natural Convection
Protection Degree	IP65
Power Output Range	2kW - 5kW
Max. AC Power	5, 500 VA
Rated AC Voltage	220 V / 230 V
European Efficiency	98.2%
Operating Temperature Range	-25°C to +60°C
Weight	10.6 kg
Communication	RS485