ABB ACS800-67LC, Hardware Manual

Page: 128 / 154

128 Technical data
DC resistor connection data
See ABRU-0x DC choppers (+D150) and resistors (+D151) for ACS800-67LC/-77LC/-
87LC wind turbine converters hardware manual [3AUA0000076494 (English)].
DC connection data
Efficiency
System efficiency is at least 97% at rated current and nominal supply voltage (generator
dependent).
Degree of protection
IP54 as standard. UL Type 12 is available as an option (+C129).
Ambient conditions
Nominal voltage 976 V DC +20%
Maximum operating voltage < 1211 V DC
DC voltage limits Overvoltage: 136% x U
DC
Undervoltage: 50% x U
DC
Current See section Ratings.
Environmental limits for the converter are given below. The converter must be
used in a specified environment.
Operation
installed for stationary use
Storage
in the protective package
Transportation
in the protective package
Installation site altitude 0 to 2000 m (6562 ft)
above sea level. Above
1000 m (3281 ft), see
section
Derating on page
122 .
- -
Air temperature -30 to +55 °C (-22 to
131 °F). Above +45 °C
(+113 °F), see section
Derating on page 122 . No
frost allowed.
Note: UL temperature
requirement: max. +40 °C
(+104 °F).
-40 to +70 °C (-40 to
+158 °F) -40 to +70 °C (-40 to
+158 °F)
Water temperature See section Temperature limits on page 117 .
Relative humidity 5 to 95% Max. 95% Max. 95%
No condensation allowed. Maximum allowed relative humidity is 60% in the
presence of corrosive gases.
Contamination levels
(IEC 60721-3-3,
IEC 60721-3-2,
IEC 60721-3-1)
No conductive dust allowed.
Boards with coating:
Chemical gases: Class
3C2
Solid particles: Class 3S2
Boards with coating:
Chemical gases: Class
1C2
Solid particles: Class 1S3
Boards with coating:
Chemical gases: Class
2C2
Solid particles: Class 2S2
Atmospheric pressure 70 to 106 kPa
0.7 to 1.05 atmospheres 70 to 106 kPa
0.7 to 1.05 atmospheres 60 to 106 kPa
0.6 to 1.05 atmospheres