|
| AMISTAD'S INTEGRATED
STRONG ARM (CAI UNIT) TECHNICAL SHEET - DECEMBER 31, 2002
|
| Material - Complete composite integrated unit with replaceable
insulator/pin components |
| Approximate weight |
44 lbs |
| Voltage coverage |
12kv to 35kv |
| Phase distances |
outside to outside |
60.5" |
| |
top phase to outside phase |
34" |
|
| BIL |
lightning disruptive discharge voltage test
(positive) |
545kv |
| |
lightning disruptive discharge voltage test
(negative) |
624kv |
|
| RIV |
(radio interferance) at 850 kHz ,10uv |
negative |
PD
|
|
negative |
|
Dry flashover
|
60Hz |
317kv average phase to phase |
| |
60Hz
|
229kv average phase to bolt |
Wet flashover
|
60Hz
|
140kv average phase to bolt |
|
Power frequency withstand voltage test, with
clean fog on clean crossarm 38.5kv
|
withstood - noflashover |
| Power frequency limit voltage test, with clean
fog on clean crossarm. 38.5kv |
withstood - noflashover |
Power frequency withstand voltage test, with
clean fog on contaminated crossarm (solid layer) at 38.5kv
|
withstood - noflashover
|
|
| Accelerated Heavy Fog Aging Chamber |
1002 with no flashovers and minimal track marks |
| Accelerated Aging UV Weather Ometer Exposure
per ASTM G155-00 |
1000 hours - slight discoloration, no |
|
apparent damage to coating or substrate |
| Accelerated contamination aging |
completed soon |
|
| Down loading |
- Sgt Outboard phase |
4000 lbs |
no evidence of arm failure - required 3000 lbs. |
| |
- Two Outboard phases |
12,160 lbs |
no evidence of arm failure - required 6000 lbs. |
| Longitudinal Load |
- Sgt Outboard phase |
430 lbs |
no evidence of arm failure - bolt bending |
| Transverse |
- Sgt outboard phase |
4920 lbs. |
no evidence of arm failure - required 3000 lbs. |
| Transverse |
- Outboard pin |
1170 lbs |
no evidence of failure - required load of 1000
lbs |
| Transverse |
- Center pin |
1180 lbs. |
no evidence of failure - required load of 1000
lbs |
| Longitudinal |
- Center pin |
1110 lbs. |
no evidence of failure of pin at required load
of 1000 lbs |
| Wet
& Dry Flashover test session on 10-29-01 at NeeTrac Lab,
Atlanta GA |
 |
 |
| phase to phase dry flashover test |
phase to bolt dry flashover test |
| average results, 317,000 volts |
average results, 229,000 volts |
|
| Balance
of Electrical and aging testing conducted at Swedish
Transmission Research Institute (STRI) in Ludvika, Sweden |
 |
 |
| Heavy Fog Test |
Lightning Impulse (BIL) test |
| 11-22-01 at STRI Labs, Ludsvika, Sweden |
11-19-01 at STRI Labs, Ludsvika, Sweden |
|
| Accelerated
Weather Exposure UV test at SP Swedish National Testing
and Research Institute in Boras, Sweden |
|
|
|
