Vclav Mentlk, Radek Polanskć
University of West Bohemia, Pilzno
APPLICATION OF THERMOANALYTICAL DIAGNOSTIC
METHODS IN ELECTROTECHNOLOGY
ZASTOSOWANIE TERMOANALITYCZNYCH METOD DIAGNOSTYCZNYCH
W ELEKTROTECHNICE
Abstract:
Streszczenie
1. Introduction
Zeszyty Problemowe Î Maszyny Elektryczne Nr 72/2005
2. Theory
´
C
v
m
r
d
( )
m
-
m
=
k
µ
m
m
r
=
m
m
m
dt
m
0
m
3. Experimental
D
m
0
mt
´
P
E
dP
-
=
-
A
µ
e
RT
µ
f
P
dt
A
E
R
T
f (P)
DT
DT
ust
( )
T
+
A
µ
( )
dt
D
T
-
D
T
ust
µ
=
E
dm
r
dt
C
v
-
D
d
Zeszyty Problemowe Î Maszyny Elektryczne Nr 72/2005
Fig. 1. DTA thermogram of the sample with
hardening time of 52 min
Fig. 2. Relations of peaks surface on hardening
time
r (x,y)
Fig. 3. Relations of monitored properties and
DTA results on hardening time
4. Discussion
5. Conclusion
Correlated property
Value of correla-
tive coefficient
related to DTA
Tab. 1.
Correlative coefficients of relations between
DTA results and chosen methods
Zeszyty Problemowe Î Maszyny Elektryczne Nr 72/2005
This article was carried out with support
of Ministry of Education, Youth and Sports of
Czech Republic, Project No. MSM 4977751310
- Diagnostic of Interactive Processes in Elec-
trical Engineering.
6. Bibliography
New Application of the DTA in
Heavy-Current Electrotechnology,
´
Experience with the Application of
Thermal Analysis in High-Voltage Insulation
The Study of Curing Reaction of the
Selected Composition by the DTA Method
Authors