コンタクタ,サーキットブレーカー,ソーラーインバーター,電気メーター,太陽電池
SK-R1-SCR1-CD-F8 is a Converter SCR Assembly Kit for Rockwell Allen-Bradley PowerFlex 750 Series Frame 8-10 variable frequency drives.
Core Information
Applicable Equipment: PowerFlex 750 シリーズ (including PowerFlex 755 HIHP), suitable for Frame 8-10 high-power frames.
Electrical Specifications: 400–480V input, responsible for the rectifier-side thyristor assembly and drive configuration.
Form & Condition: Complete spare part kit, original factory packaging (commonly surplus/new condition).
Related Models: Other F8-suffix parts in the same series include fan kit (SK-R1-FAN1-F8), IGBT gate driver board (SK-R1-IG1-E395F370), fuse kit, 等, which together form the power module.
Differences from Other Components
SK-R1-SCR1-CD-F8: Rectifier-side SCR assembly kit (core power rectification).
SK-R1-IG1-E395F370: Inverter-side IGBT gate driver board.
SK-R1-FAN1-F8: Cooling fan kit.
Rockwell Allen-Bradley PowerFlex 750 シリーズ
The Rockwell Allen-Bradley PowerFlex 750 Series is a family of high-performance, modular AC variable frequency drives developed by Rockwell Automation, featuring high power rating, 高い柔軟性, and high reliability. It is widely used in heavy industrial applications such as metallurgy, mining, セメント, 発電, クレーン, and material handling.
- Series Composition (Core Models)
PowerFlex 753: General Purpose
Power: 0.75 ～ 250 kW / 1 ～ 350 HP
Voltage: 200V ~ 480V
Control: V/Hz, sensorless vector, basic flux vector
応用: Standard fans, パンプス, conveyors and other general loads
PowerFlex 755: High Performance (your queried Frame 8-10 falls into this category)
Power: 7.5 ～ 3640 kW / 10 ～ 6000 HP
Voltage: 400/480V, 600/690V
Control: TotalFORCE advanced vector, permanent magnet motor control, servo-grade positioning, regenerative power
応用: High-power drives, rolling mills, hoists, high-speed paper machines, test benches and other high-end applications
PowerFlex 755T (TL/TR/TM): Premium Special Purpose
755TL: Active Front End (AFE), harmonic mitigation, high power factor
755TR: Regenerative braking unit, feeds braking energy back to the grid
755TM: Common DC bus system, multi-drive parallel connection for energy-saving networking
- Frame Size vs. 定格電力
The Frame 8-10 you are focused on belongs to the ultra-high power range:
| Frame | パワーレンジ (480V HD) | 代表的な用途 |
| Frame 8 | 500 ～ 800 kW | High-power fans, パンプス, 押出機 |
| Frame 9 | 900 ～ 1400 kW | Rolling mills, mine hoists, marine propulsion |
| Frame 10 | 1600 ～ 3640 kW | Ultra-heavy duty drives, high-speed wire mills, test benches |
- Key Technical Features
TotalFORCE Control: Adaptive torque control, full torque at zero speed, high-precision positioning
Modular Slot Architecture: Control board, I/O, コミュニケーション, safety, encoder cards hot-swappable
DeviceLogix Embedded Logic: Built-in mini PLC functionality to reduce external relays
Predictive Diagnostics: Monitors lifespan of fans, capacitors, relays for early fault warnings
Safety Functions: STO (Safe Torque Off) SIL2/3, SSM Safe Speed Monitoring
コミュニケーション: EtherNet/IP standard; optional DeviceNet, ControlNet, Profibus
- Key Spare Parts for Frame 8-10 (Summary of Your Queries)
Rectifier Side
SK-R1-SCR1-CD-F8: SCR Rectifier Assembly Kit
SK-R1-CBPFUSE3-F8: DC bus fuse kit
Inverter Side
SK-R1-IG1-E395F370: IGBT Gate Driver Board (395A/370A)
FF1400R121P4: Infineon PrimePACK 3 IGBT Module (1400A/1200V)
DC Bus
CD138-400V-7900μF: Jianghai DC bus electrolytic capacitor
Cooling System
SK-R1-FAN1-F8: Inverter cooling fan kit
Structure & Accessories
SK-R1-CVRP1-F8: Power unit cover
20-750-POD1-F8: Power module mounting base
- Weight Overview (Your Key Parameters)
SK-R1-SCR1-CD-F8: 約. 3.6 kg
FF1400R121P4: 約. 1.2 kg
SK-R1-IG1-E395F370: 約. 0.45 kg
SK-R1-FAN1-F8: 約. 1.2 kg
CD138-400V-7900μF: 約. 1.8 kg
- 代表的な用途
Mining: Hoists, belt conveyors, ボールミル
Metallurgy: Rolling mills, coilers, straighteners
Cement: Kiln main drives, roller presses, ファン
Power: Induced draft fans, feed pumps, desulfurization systems
Paper: Rewinders, calenders, high-speed paper machines
Testing: Motor back-to-back test benches, new energy dynamometers
