Toshiba GR200 Series Instruction Manual page 827

V r
V i
(b) Incoming voltage (V i )
Vr − Vi
(c) Beat wave provided by V r + V i
Δθ
CB closing command
CB contact
(d) Advance time and CB closing command
Figure 4.6-6 Advance time to close CB for an asynchronous system
Zero point (Δθ=0)
Advance time
Start to close CB
End of closing CB
T
α
β
CB
Setting
Tolerance for synchronism
Zero point (Δθ=0)
CB closed point
CB closing command issued
- 804 -
6F2S1914 (0.49)
Time
GRL200 (Soft 033 & 037)