Hv circuit breaker

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Information about Hv circuit breaker
Technology

Published on March 23, 2014

Author: thienhuynh9277

Source: slideshare.net

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-1 Product Range High Voltage Circuit Breakers for Rated Voltages 72.5 kV up to 420 kV 3AP1FG 72.5 kV 3AP1FG 145 kV 3AP1 FI 300 kV 3AP2 FI 420 kV

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-2 3AP Technical Data 50/60 2500/3150/4000 VDE, IEC 72.5/145/170/245/300 31.5/40/50 82/100/125 3 O - 0.3 s - CO - 3 min - CO (IEC) CO - 15 s - CO (ANSI) – 30 to +55 Rated voltage [kV] Rated frequency [Hz] Rated current [A] Rated short-circuit breaking current [kA] Transient recovery voltage (TRV) under terminal fault conditions acc. to Rated making current [kA] Rated short-circuit duration [s] Operating sequence Operating temperatures [°C] Type 3AP1 3AP2 362/420 50 125 5000

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-3 Product Range High-Voltage Circuit-Breakers 63 50 40 31.5 25 0 Rated short-circuit breaking current [kA] 72.5 123 145 300 362 420 550 800 Rated voltage [kV] 170 245 3AP2 FI3AP1 FI3AP1 FG

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-4 Technical Data High-Voltage Circuit-Breakers Rated voltage [kV] Rated power frequency withstand voltage (1 min) [kV] Rated lightning impulse with- stand voltage (1.2/50 µs) [kV] Rated switching impulse with- stand voltage (250/2500 µs) [kV] Rated current up to [A] Rated breaking current [kA] Type 72,5 4000 40 140 325 - 145 4000 40 275 650 - 245 4000 50 460 1050 - 420 5000 50 610 1425 1050 3AP23AP1 300 4000 40 460 1050 850 170 4000 50 325 750 -

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-5 3AP Dielectric Data Rated power frequency withstand voltage [kV] Rated lightning impulse withstand voltage [kV] (1.2/50 µs) Clearance [mm] Min. creepage distance [mm] Type Rated Voltage [kV] phase/earth across open breaker between phases phase/earth across open breaker phase/earth across open breaker between phases phase/earth across open breaker between phases Specif. creepage distance [mm] phase/earth 1250 1200 1360 275 1175 3400 2x1600 ≥3600 3AP1 3AP2 460 9050 9050 2200 1900 2385 700 700 722 140 460 14572.5 245 300 362 325 650 1050 1050 520 2200 2200 3000 2248 2248 3625 3625 6150 6125 7626 8575 1500 1400 1510 325 170 750 4250 4250 1425 3400 2x1600 ≥3600 10375 10500 420 610 28.731.0 25.0 25.0 25.425.0 24.7

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-6 3AP1 Operating Times Tripping device Closing time Opening time Arcing time Break time Minimum command duration Close-open time Dead time [ms] [ms] [ms] [ms] [ms] [ms] [ms] Rated Voltage [kV] 52±5 31±3 ≤15 ≤49 80 70±10 ≥300 normal 72.5 normal/fast 300 56±6 35±4 ≤21 ≤59 80 77±5 ≥276 49±5 26±3 ≤21 ≤50 80 77±5 ≥276 normal/fast 245 65±7 36±4 ≤19 ≤59 80 80±10 ≥281 56±7 27±3 ≤19 ≤49 80 80±10 ≥281 normal/fast 145 57±6 30±4 ≤23 ≤57 80 30±10 ≥277 48±5 24±4 ≤23 ≤49 80 30±10 ≥277 normal/fast 170 58±6 36±4 ≤17 ≤57 80 40±10 ≥283 49±5 27±4 ≤17 ≤47 80 40±10 ≥283

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-7 3AP2 Operating Times Tripping device normal/fast Closing time [ms] Opening time [ms] Arcing time [ms] Break time [ms] Minimum command duration [ms] Close-open time [ms] Dead time [ms] 420 65±7 37±4 ≤ 19 ≤ 60 80 77±8 ≥281 56±6 28±3 ≤ 19 ≤ 50 80 77±8 ≥281 Rated Voltage [kV]

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-8 3AP Arc-Quenching Medium SF6 Values in gauge pressure at 20°C Type Rated Voltage [kV] Amount of gas per breaker [kg] Volume per breaker [l] Filter material per pole [kg] Nominal Pressure [MPa] Alarm "Loss of SF6” [MPa] General lockout SF6 [MPa] Minimum gas pressure for mechanical operation [MPa] 39 848 2.5 9 206 0.75 0.60 0.52 0.50 0.30 3AP1 3AP2 170 42072.5 4 87 0.3 145 8 174 0.5 0.60 0.52 0.50 0.30 245 18 402 0.75 300 29 545 0.75 0.70 0.62 0.60 0.30

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-9 Self-Compression Interrupter Unit The Quenching Principle Closed Position Open Position Opening Main contact open Opening Arc contact open Heat cylinder Base Arc contact Main contact Nozzle Contact support

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-10 Dynamic Self-Compression Interrupter Unit The Quenching Principle Closed Position Open Position Main contact open Arc contact open Heat cylinder Valve unit Counter moving arcing contact Contact finger Arc.quenching nozzle Coupler frame Cross-arm Bolt Lever Driver Bolt Counter lever Control bar

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-11 Self-Compression Interrupter Unit The quenching Principle

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-12 Operating Mechanism 3AP1 Stored Energy Spring Mechanism Charging motor Closing spring Opening spring Coupling linkage Charging gear Closing coil Opening coil Charging shaft

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-13 Operating Mechanism FA2/FA4 Stored Energy Spring Mechanism Charging motor Closing spring Opening spring Coupling linkage Charging gear Closing coil Opening coil Charging shaft

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-14 Operating Mechanism Stored Energy Spring Mechanism

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-15 3AP Circuit-Breaker Strategy in Modular Design Operating mechanism • Robust & simple • Low operating forces • Low wear and tear • Low load transfer onto the foundation • High accessibility General • Uniform basic components • Production of key components at one location • Longevity • High availability • High reliability Interrupter units • Low demand of operating forces • Low wear and tear • High breaking capacity FA1 72,5 kV Operation FA4 420 kV Three-Pole Three-Pole Three-Pole Three-Pole FA2 145 kV FA2 245 kV FA4 FA2 300 kV FA2 Static Self- Compression Dynamic Self- Compression Interrupter Unit 170 kV FA2 FA2

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-16

3AP-Type High Voltage Power Transmission and Distribution PTD H 365/Bayer 040113-17

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