知識拓展：（以下描述與產品無關，因產品太多，圖片與實物不符，請諒解！）

試驗概述編輯
繼電保護裝置是實現繼電保護功能的設備，就是指能反應電力系統中電氣元件發生故障或不正常運行狀態，并動作于斷路器跳閘或發出信號的一種自動裝置。它主要包含著下列主要的環節：①信號的采集，即測量環節；②信號的分析和處理環節；③判斷環節；④作用信號的輸出環節。
在電力系統中，如果一次系統*，而保護發生了誤動，那么將影響對用戶的可靠供電，若重負荷線路發生誤動跳閘，還有可能引起系統振蕩事故，破壞系統的安全穩定運行；如果一次系統發生了短路故障，但保護拒動，將擴大事故范圍，甚至損壞電力設備。為了使保護真正起到對電力系統的保護與控制作用，必須使保護整體處于良好的運行狀態，使得各相關元件及設備特性優良、回路接線正確、定值及動作特性正確。所以必須加強對保護的檢驗質量。
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EX-CELL-O CORP / CONE DRIVE H060-1 MODEL OPTION 08 GEAR REDUCER, RATIO 50:1
 
SUMITOMO SM-CYCLO 493:1 RATIO GEAR REDUCER CHHM-1-4165DCYA W/ 1750RPM 1HP MOTOR
 
DODGE * TIGEAR GEAR SPEED REDUCER NNB * *
 
YASKAWA 400W AC SERVO MOTOR SGMPH-04AAAGB01 W/ HD GEAR HEAD CP-25A-11-F002B?-SP
 
BALDOR 1HP MOTOR W/ BOSTON 1.52HP 60:1 RATIO REDUCER RF7326DSTB5633 99872
 
SEW-EURODRIVE 140.62:1 RATIO REDUCER SA92 W/ 12.25:1 RATIO RF62 W/ 1.00HP MOTOR
 
BOSTON GEAR SPIRAL GEAR REDUCER RA1521
 
CONE DRIVE 60:1 RATIO 1.44HP RATED GEAR REDUCER MSH030-1
 
HUB CITY RATIO 1:1 BEVEL GEAR REDUCER MODEL1010 P/N 0220-06302 STYLE C
 
KONE 1:103.23 RATIO GEAR REDUCER HSC31802E-100
 
SEW-EURODRIVE GEAR MOTOR R37DT80N4/BMG/ HR/TH/ACC4

    
WINSMITH 15:1 RATIO 926MDN REDUCER 926MDNS22000C1
 
WINSMITH 926MDN 20:1 RATIO REDUCER 926MDNS22000DN
 
GROVE GEAR IRON MAN 2.685HP GEAR REDUCER GR8424094.00 / GR-DXMQ842-150-?R2-120
 
SEW-EUROPE K37DT71D4 / DFT71D4 GEAR MOTOR WITH GEAR REDUCER, NNB
 
MORSE ED SERIES 20GCDV GEAR REDUCER W/ BALDOR ? HP MOTOR
 
HUB CITY HI2092A PowerRatio 2000 HIGH EFFICIENCY GEAR DIRVE, NNB
 
SEW-EURODRIVE 1740RPM 7.5KW GEARMOTOR KH87B DV132M4/BM/HR/T?F 99972
 
MODICON CABLE AS-W802-012 02-95
 

POTTER AND BRUMFIELD ADJ. AC/DC VOLTAGE SENSOR, CSL-38-31010, CSJ-38-70010, USED

CROSBY PIONEER JRS-A POP VALVE, SET 80 PSIG, SIZE: 1/2 X 1, USED

DODGE 3030 X 2 7/16 KW TAPERLOCK BUSH, 117028, USED- IN BOX

WORLD CHEEMICAL 2x1 1/2 SUPER MAG MAGNET PUMP/MOTOR 5HP #62658 USED

SPIRAX SARCO 1/2" STEAM TRAP BPT21LC #621002 PMA:25 BAR PN:25 NEW OLD STOCK

GRUNDFOS PUMP/BALDOR 15HP INDUSTRIAL MOTOR #61258 84:GPM 3450RPM USED

COLE-PARMER P-301 CELL STACK CHECK PUMP / LEESON 32HP MOTOR CAT#113931.00 USED

DEAN BROTHERS 1 1/2x3-11 1/2 STAINLESS PUMP MOD:PH231 SN:135939 100:GPM USED

ASHCROFT DURAGAUGE PLUS 60 1379AS 04LXCYLL #61644 SIZE:6 NIB

3pcs KECKLEY 3/4" STRAINERS  STYLE:B250LBS MILD RUST NEW WEATHERED

MISSION MAGNUM RC 4x3x13 PUMP SN:M50184 PUMP TYPE:M MODULAR#433 HI RC NEW

5pcs APOLLO 1 1/4 STAINLESS BALL VALVE 1500WOG USED

MISSION MAGNUM RRC 4x3-13 PUMP MODULAR# 433 HI RC  SN:M50185 PUMP TYPE:M NEW

MISSION MAGNUM RC 4x3x13 PUMP SN:M49067 PUMP TYPE:RC MODULAR#433 AMG RC- NEW

GRUDFOS PUMP STAINLESS TYPE:CRN10-05 A-FGJ-G-E-HE #61340 26.86:GPM USED

TOHIBA 50HP MOTOR MOD:0504FTSA21A-P SN:S65079652 326T:FR 1765RRPM 230/460V USED

TLV SIGHT GLASS SN:880520 SIZE:15A MODEL:T 8N USED

A-C 3" STAINLESS KNIFE VALVE #62928 SIZE:3 DESCR.76-4 USED

ARMSTRONG STEAM TRAP SN:23188 MOD:411 ORIFACE:5/64 NEW WEATHERED

DWYER EXPLOSION PROOF PRESSURE SWITCH MOD:1950G-00-B-24-NA #530125 NIB

BUFFALO 1 1/2x3-? STAINLESS PUMP 62635 USED

ASHCROFT DURAGAUGE #61652 SIZE:6 60-1379-SS-04L-35WFW 1/2" CONN/LOWER NIB

ORANGE RESEARCH DIFFERENTIAL GAUGE P/N-1516DGS#29228 #61618 125AC VOLTS NIB

GRUNDFOS PUMP/BALDOR 1HP MOTOR #62951 22:GPM 208-230/460V PARTS ONLY

A-C 3" STAINLESS KNIFE VALVE #62918 SIZE:3 DESCR.76-4 USED

GRUNDFOS PUMP/ BALDOR 15 HP INDUSTRIAL MOTOR #61318 90.26GPM 3450RPM USED

DUFF-NORTON SCREW JACK??, MODEL: M5801-284, PROD. CODE: SECBZ00A04BAA, USED

JUNIOR 1001932 SUPER SINGLE PUMP SWITCH, 15JSU2WP, 15FT, 230V W/ PLUG, NEW

WESTINGHOUSE MARK 75 HFB3030 CIRCUIT BREAKER, 30A, 600 VAC, USED

CUTLER HAMMER SV91OC103 AF DRIVES I/O EXPANDER BOARD, S140069020, NEW- IN BOX

GE FANUC IC610MDL125A 115 VAC INPUT MODULE/8 CIRCUITS, SN: 904, SERIES ONE, NEW

FOXBORO B110ZM FIXED PRESSURE REGULATOR, INPUT 150 PSI MAX, OUTPUT 20 PSI, USED

BEI H40A-400-ABZ-7406R-LED-EC-S/ H40A-400-ABZ-7406-LED-EC ENCODERS, LOT OF 3,NEW

K-POWER PRODUCTS 1.5HP, 812RPM, K1.0, ROLLER VARIATOR/GEAR REDUCER 88K-0012
 
BOSTON WORM GEAR SPEED REDUCER ISO 9002 SER.700
 
RELIANCE ELECTRIC 70.6:1 RATIO 1HP MASTER XL GEARMOTOR 10209/99-PA
 
TEXTRON CONE DRIVE 60:1 RATIO 1.15HP RATED GEAR REDUCER MSH030-1 OPTION 1901
 
BALDOR 1.97HP RATIO:10 1.97HP GF1021AJ / GR0133B003
 
ROTEX SCREENERS DRIVE HEAD GEAR BOX 422A
 
YASKAWA ELECTRIC 100W AC SERVO MOTOR SGMAH-01AAAGC61 W/ CP-20A-21-J603A?-SP
 
NORD FLEXBLOC 90DEG. SPEED REDUCING GEAR REDUCER SK 1SI75 / 60792000 99293
 
RELIANCE ELECTRIC 58RPM, MASTER XL GEARMOTOR C8113011
 
SHIMPO ABLE GEARHEAD REDUCER VRSF-LB-9B-50
 
BOSTON GEAR MOTOR GEAR REDUCER 34K29-872
 
SEW-EURODRIVE GEARHEAD PSF511/R/EK15
 
DODGE 1.03HP, 1750RPM, TIGEAR REDUCER MR94743LK P JB
 
ALPHA GEARHEAD REDUCER SP 075-MF1.7 131-000
 
SCHENCK KS203 GEAR REDUCER W/ 0.25KW MOTOR