Atec Doble-TDR9000 - Manual (Page 3)

TDR9000
EHV Contact Timing Module measures the opening and closing times
of both the main contacts and the insertion resistor contacts with 100
µs second resolution. During a separate test, it measures the capaci-
tance of grading capacitors. This substantially reduces the required
number of channels required for circuit breaker testing. The high-
speed data acquisition circuitry, coupled with interference suppression
specifically designed for electro magnetic interference substation
environments, provide accurate test results and records contact
bounce time as low as 60
µs .
During a Trip/Close test, the TDR9000’s Motion Module simultaneous-
ly records the output from up to six digital rotary/linear transducers.
The digital rotary/linear transducer provides high accuracy measure-
ments of ± 0.1%. This patented field-proven device provides precise
details of the operating mechanism’s performance for damping, total
travel, over travel, rebound, average velocities and instantaneous
velocity. It also supplies details about contact wipe and contact
bounce. Digital transducers overcome errors associated with analog transducers,
such as slide wire transducers, where wire slippage or distortion can contribute
significant errors to the measurements.
The TDR9000 System Panel with Trip and Close Command and Trip and Close
Command Current Recording as well as general purpose event recording modules
for measuring urrents/voltage and breaker/relay auxiliary contacts. A graphic
recording of the trip and close coil current provides useful insight into the electrical
and mechanical condition of the trip and close mechanisms.
TRX™ Software
The Windows based TRX software controls the TDR9000 and stores test results and
test plans. TRX Software uses an industry standard SQL compliant client server
database architecture.
For ease of analysis, TRX displays test data and test results in tabular or graphical
form. Time-related information such as travel, velocity, contact transition, trip
and/or close coil currents, analog and auxiliary contact channels are displayed
graphically. TRX Software organizes Circuit Breaker Test Plans and test types by
user-defined regions, locations, substations, manufacturers, models and serial
numbers along with the historical results. Both the reliability of the system and
productivity of test personnel is improved.
TRXField, an independent component of TRX Software, quickly allows Test Plan
creation, switching device Testing and Test Result analysis. The operator can specify
expected results. The software compares the actual test results with the user
defined expected test results to make a pass or fail determination.
Reclose Operation Test Results