THDi filter
Equipment‑level filters are specialized products developed by Guangda Electric to mitigate harmonics at the input of power electronic equipment. They ensure that harmonic currents generated by three‑phase rectifier circuits comply with national standards and enhance the equipment’s immunity to surge disturbances. These filters are an ideal complementary solution for variable frequency drives, UPS systems, various types of power supplies, medium‑frequency furnaces, and other power electronic devices. With a long service life and low losses, they currently rank among the industry leaders in China.
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- Commodity name: THDi filter
Equipment‑level filters are specialized products developed by Guangda Electric to mitigate harmonics at the input of power electronic equipment. They ensure that harmonic currents generated by three‑phase rectifier circuits comply with national standards and enhance the equipment’s immunity to surge disturbances. These filters are an ideal complementary solution for variable frequency drives, UPS systems, various types of power supplies, medium‑frequency furnaces, and other power electronic devices. With a long service life and low losses, they currently rank among the industry leaders in China.
Equipment‑level filters are specialized products developed by Guangda Electric to mitigate harmonics at the input of power electronic equipment. They ensure that harmonic currents generated by three‑phase rectifier circuits comply with national standards and enhance the equipment’s immunity to surge disturbances. These filters are an ideal complementary solution for variable frequency drives, UPS systems, various types of power supplies, medium‑frequency furnaces, and other power electronic devices. With a long service life and low losses, they currently rank among the industry leaders in China.
Product Features:
► Address harmonic issues on the equipment side and comply with IEEE‑519 harmonic limits, or achieve a THDI of less than 5%.
► Stabilize the voltage and improve the power factor.
► Efficiency exceeds 98%.
► Improving the power quality of equipment can be offered as a standalone option, easily installed within existing cabinets, and custom-designed to meet specific requirements.
Specification and Model Description:
Filter model
Applicable Inverter (kW)
Filter model
Applicable Inverter (kW)
Filter model
Applicable Inverter (kW)
SSFGD-16/0.4
5.5
SSFGD-80/0.4
37
SSFGD-320/0.4
160
SSFGD-21/0.4
7.5
SSFGD-100/0.4
45
SSFGD-410/0.4
200
SSFGD-28/0.4
11
SSFGD-120/0.4
55
SSFGD-450/0.4
220
SSFGD-38/0.4
15
SSFGD-165/0.4
75
SSFGD-510/0.4
250
SSFGD-42/0.4
18.5
SSFGD-190/0.4
90
SSFGD-570/0.4
280
SSFGD-50/0.4
22
SSFGD-220/0.4
110
SSFGD-650/0.4
315
SSFGD-65/0.4
30
SSFGD-270/0.4
132
SSFGD-720/0.4
355
Product Selection:
Key words:- THDi filter
- inverter harmonic filter
- LCL filter
- HFI harmonic filter
- passive filter
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► Address harmonic issues on the equipment side and comply with IEEE‑519 harmonic limits, or achieve a THDI of less than 5%.
► Stabilize the voltage and improve the power factor.
► Efficiency exceeds 98%.
► Improving the power quality of equipment can be offered as a standalone option, easily installed within existing cabinets, and custom-designed to meet specific requirements.
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Updating data...
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Filter model
Applicable Inverter (kW)
Filter model
Applicable Inverter (kW)
Filter model
Applicable Inverter (kW)
SSFGD-16/0.4
5.5
SSFGD-80/0.4
37
SSFGD-320/0.4
160
SSFGD-21/0.4
7.5
SSFGD-100/0.4
45
SSFGD-410/0.4
200
SSFGD-28/0.4
11
SSFGD-120/0.4
55
SSFGD-450/0.4
220
SSFGD-38/0.4
15
SSFGD-165/0.4
75
SSFGD-510/0.4
250
SSFGD-42/0.4
18.5
SSFGD-190/0.4
90
SSFGD-570/0.4
280
SSFGD-50/0.4
22
SSFGD-220/0.4
110
SSFGD-650/0.4
315
SSFGD-65/0.4
30
SSFGD-270/0.4
132
SSFGD-720/0.4
355
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Updating data...
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Guangdong Guangda Electric Co. Ltd.
Tel:18028173868
E-mail:gdgddq@126.com
Web:www.gd96.com
Add :Building 3, No. 613, Xingtan Shuixiang Avenue, Gaozan Village, Xingtan Town, Shunde District, Foshan City, Guangdong Province