
•
Sensitivity – Allows the user to scale the control's reaction to changes in Reactive
Circulating Current (Irc). The following data demonstrates the linear relationship
between the Sensitivity setting and the % Multiplier (Range -4.0 to +4.0).
•
-4.0 = Irc • 50 %
•
-2.0 = Irc • 75 %
•
0.0 = Irc • 100 %
•
+2.0 = Irc • 150 %
•
+4.0 = Irc • 200 %
•
Reactive Circulating Current Limit – The Reactive Circulating Current Limit is the
maximum Delta VAr value allowed for bandcenter adjustment. Range and units are
dependent on the Aux Current Transformer units display setting in TCC300.
Table 60:
Reactive Circulating Current Limit values
CT Display
Range
Units
200 mA
5...200
mA
1 A
1)
0.02...1.00
A
5 A
1)
0.1...5.0
A
1) Calculated from the actual 200 mA connected current
•
MVA Rating – The MVA rating of the transformer (Range 1.0 to 1000.0).
•
Current Multiplier – The overall ratio of CT supplying the load current to the control,
including the main CT and any auxiliary CTs. For example, if the main CT is 600 to
5 A with auxiliary CT of 5 to 0.2 A, then current multiplier is 600/0.2 = 3,000. (Range
1 to 32600).
•
Peer to Peer Update Speed – The time period allocated to read all the paralleled units'
relevant data, make the necessary calculations and disseminate paralleling driven
updates to the system (Range 1000 to 10000 ms).
•
Peer to Peer Current Multiplier Correction – A scaling factor to compensate Delta
Vars Calculation, if the CT value is not in the ratio to the MVA rating (Range 20 to
500 %).
•
Load Side Breaker Configuration – Can be set to Not Used, 52a (positive polarity), or
52b (negative polarity).
•
Right Tie Breaker Configuration – Can be set to Not Used, 52a (positive polarity), or
52b (negative polarity).
•
Left Tie Breaker Configuration – Can be set to Not Used, 52a (positive polarity), or
52b (negative polarity).
•
Polling Interval – The Polling Interval of the Configuration Tool can be set from 3 to
10 seconds. When Enab led, the user must select "Discover Paralleled Devices" to
start polling the controls.
The Configuration Tool also provides the means to:
•
Save Configurations
•
Reset Alarms
Section 6
1VAC388793-MB A
Configuration
440
TCC300
User Manual
Содержание TCC300
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