Drm (Australia As4777) - Huawei SUN2000-2KTL-L1 User Manual

SUN2000-(2KTL-5KTL)-L1
User Manual
IPS Test Type
Minimum
underfrequency
(81.S2)
Step 3 After the IPS test is complete, IPS State is displayed as IPS state success. Tap Historical
report in the upper right corner of the screen to view the IPS check report.
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7.2.4 DRM (Australia AS4777)

Function
According to Australia AS 4777.2-2015, solar inverters need to support the function of
demand response mode (DRM), and DRM0 is a mandatory requirement.
This function is disabled by default.
Figure 7-16 Wiring diagram for the DRM function
Table 7-6 DRM requirements
Mode
DRM0
Issue 01 (2020-04-17)
Description
The default underfrequency protection threshold is 47.5 Hz, and the
default protection time threshold is 0.1s.
The demand response enabling device (DRED) is a power grid dispatch device.
Port on the SUN2000
DI1 and GND of the COM port
Copyright © Huawei Technologies Co., Ltd.
7 Man-Machine Interaction
Requirements
 When switches S0 and S9 are
switched on, the solar inverter
should be turned off.

When switch S0 is switched off,
and switch S9 is switched on, the
solar inverter should be grid-tied.
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