Delta BLD-E1 Series Operation time(min), Load factor (%)

Chapter 4 ParametersAT |Troubleshooting}| BLD-E1 Series
4-68 Revision May 2009, 00DE, V0.50
 The parameter is set by the output frequency, current and operation time of the drive for
activating the I2t electronic thermal protection function. The function will be activated for the
150% * setting current for the setting of Pr.06-13

1
2
3
4
5
60Hz
0 50 100 150 200
Operation
time(min)
Load
factor (%)
06-14  Heat Sink Over-heat (OH) Warning
Control
mode VF VFPG FOCPM
Factory setting: 85.0
Settings 0.0 to 110.0 oC
06-15  Stall Prevention Limit Level
Control
mode VF VFPG FOCPM
Factory setting: 50
Settings 0 to 100% (refer to Pr.06-02, Pr.06-03)
 When the operating frequency is larger than Pr.01-01, Pr06-02=150%, Pr. 06-03=100% and
Pr. 06-15=80%:
Stall Prevention Level during acceleration = 06-02x06-15=150x80%=120%.
Stall Prevention Level at constant speed= 06-03x06-15=100x80%=80%.

06-02
06-15
01-01
01-01 x06-02
St all Prev ent ion Lev el
output frequency
frequency