คอนแทคเตอร์,เบรกเกอร์,อินเวอร์เตอร์พลังงานแสงอาทิตย์,มิเตอร์ไฟฟ้า,แบตเตอรี่พลังงานแสงอาทิตย์
Complete Technical Specifications & Global Alternatives
- Model Code Breakdown
| Code Section | Code | Description |
| Series | VFD | Delta inverter series prefix |
| Power Rating | 7 | Rated output power 0.75kW (1เอชพี) |
| Product Series | E | VFD‑E general‑purpose inverter |
| Voltage Class | 43 | 3‑phase 400VAC input (380~480V) |
| Special Function | T | Built‑in brake chopper (Frame A only) |
- Core Technical Specifications
2.1 ข้อมูลจำเพาะทางไฟฟ้า
| Item | ค่า | หมายเหตุ |
| กำลังไฟพิกัด | 0.75กิโลวัตต์ (1เอชพี) | For 3‑phase induction motors |
| Rated Output Current | 2.5ก (RMS) | 400VAC, 50/60เฮิรตซ์ |
| Input Voltage Range | 3‑phase 380~480VAC, ±10% | 50/60เฮิรตซ์, ±5% |
| Output Voltage Range | 0~Input Voltage | PWM control, varies with frequency |
| Output Frequency Range | 0.1~600Hz | ปรับได้, max 600Hz |
| Carrier Frequency | 2~15kHz | Adjustable for noise reduction |
| Overload Capacity | 150% จัดอันดับปัจจุบัน, 60ส | การป้องกันกระแสเกิน |
| Brake Chopper | Built‑in | External brake resistor optional |
| Power Factor | ≥0.95 | At full load |
| Efficiency | ≥94% | At rated load |
2.2 Control Performance
| Item | ค่า | Description |
| วิธีการควบคุม | Sensorless Vector Control (สวีซี) | High torque at low speed: 150% at 1Hz |
| V/F Control | Multiple curves available | Linear, square, user‑defined |
| Speed Control Accuracy | ±0.5% of rated speed | Without PG feedback |
| Frequency Resolution | Digital: 0.01เฮิรตซ์, Analog: 0.1% | Precise speed regulation |
| Accel/Decel Time | 0.01~6000s | Independent acceleration and deceleration |
| Built‑in PLC | Simple ladder logic support | Max 10k steps |
| Communication | RS‑485 built‑in, Modbus‑RTU | PROFIBUS/DeviceNet/CANopen optional |
2.3 Mechanical & Environmental Data
| Item | ค่า | Description |
| Protection Degree | IP20 | Finger protection only, cabinet installation |
| Cooling Method | Natural convection | No forced fan, low maintenance |
| ขนาด (W×H×D) | 72×142×152mm | Compact, space‑saving |
| น้ำหนัก | Approx. 1.2กก | Easy installation |
| Operating Temp | -10~40°C | Output derates 1% per °C above 40°C |
| Storage Temp | -20~60°C | Avoid moisture and corrosive gas |
| Vibration | 0.5g (5~9Hz), 0.3g (9~150Hz) | IEC compliant |
| Mounting | Wall‑mount, side‑by‑side | Space‑efficient in panels |
- คุณสมบัติโครงสร้าง & Performance Advantages
3.1 คุณสมบัติการออกแบบ
การออกแบบโมดูลาร์: Supports communication, I/O expansion cards
Built-in PLC: Simple logic programming, reduces external controllers
Built-in EMI filter: Standard on 400V models, reduces EMI
Common DC bus: Supports parallel connection of multiple inverters
Side-by-side installation: Only 5mm spacing required
3.2 Performance Advantages
Sensorless vector control: 150% rated torque at 1Hz for heavy‑start loads
Fast response: Current loop ≤1ms, speed loop ≤10ms
Low-noise operation: Carrier up to 15kHz
Energy-saving control: Auto energy‑saving mode, ขึ้นไป 30% energy reduction
Self-diagnosis: Full protection and real‑time monitoring
- Key Functions & System Integration
4.1 Core Control Functions
| การทำงาน | Description | Applications |
| SVC Vector Control | High‑precision torque control without encoder | Conveyors, mixers, small machine tools |
| V/F Control | Standard voltage/frequency control | Fans, ปั๊ม, general machinery |
| Torque Control | Constant output torque regardless of speed | Tension control, winding machines |
| PID Control | Built-in PID for closed-loop control | Constant pressure water supply, temperature control |
| Multi-step Speed | ขึ้นไป 16 speeds via terminals or communication | Multi‑process equipment, automation lines |
4.2 Integration Notes
Motor matching: 3‑phase induction motor ≤0.75kW, ≤2.5A
Brake resistor: Recommended 40Ω, 100W for frequent starts/stops
Communication: PROFIBUS‑DP, DeviceNet, CANopen via cards
PLC programming: Delta DOPSoft software
Parameter settings: Keypad or PC, backup & restore supported
- การใช้งานทั่วไป
- ระบบอัตโนมัติทางอุตสาหกรรม: Small machine tools, woodworking, packaging, textile machinery
- Material Handling: Conveyors, elevators, small cranes, AS/RS
- Fluid Control: Fans, ปั๊ม, คอมเพรสเซอร์, vacuum pumps
- Medical Equipment: Centrifuges, ventilators, testing instruments
- Building Equipment: HVAC, water supply, elevator doors, escalators
- Food Processing: Mixers, filling machines, sealers, sterilizers
- การแก้ไขปัญหา
| Fault Code | Fault Type | สาเหตุที่เป็นไปได้ | โซลูชั่น |
| OC | Overcurrent | Motor overload, ไฟฟ้าลัดวงจร, wrong parameters | Reduce load, check wiring, extend acceleration |
| OV | แรงดันไฟฟ้าเกิน | High input voltage, excessive braking | Check supply, add brake resistor, extend deceleration |
| UV | แรงดันตก | Low voltage, phase loss | Check power supply, restore phase |
| OH | Overheating | High ambient temp, poor ventilation | Improve cooling, lower ambient temp |
| GF | Ground Fault | Output grounded, motor insulation fault | Check wiring, repair motor insulation |
| OL | Motor Overload | Excessive load | Reduce load or upgrade inverter |
- Global Brand Cross‑Reference Table
| ยี่ห้อ | Replacement Model | กำลังไฟพิกัด | แรงดันไฟฟ้าขาเข้า | Communication | Key Features |
| Delta (อัพเกรด) | VFD4A8MS33ANSAA | 0.75กิโลวัตต์ | 3‑phase 400V | RS‑485 | MS300 series, replaces VFD‑E |
| ซีเมนส์ | V20‑6SL3210‑5BB17‑5UV1 | 0.75กิโลวัตต์ | 3‑phase 400V | RS‑485 | Cost‑effective, easy operation |
| ชไนเดอร์ | ATV320U75N4 | 0.75กิโลวัตต์ | 3‑phase 400V | Modbus | Compact, energy‑saving |
| Mitsubishi | FR‑D740‑0.75K‑CHT | 0.75กิโลวัตต์ | 3‑phase 400V | RS‑485 | Versatile, general machinery |
| Omron | 3G3MX2‑A4007 | 0.75กิโลวัตต์ | 3‑phase 400V | Modbus | Fast response, low noise |
| เอบีบี | ACS355‑03E‑02A4‑4 | 0.75กิโลวัตต์ | 3‑phase 400V | RS‑485 | Robust, harsh environments |
| Rockwell | PowerFlex 525‑25B‑D010N104 | 0.75กิโลวัตต์ | 3‑phase 400V | EtherNet/IP | Strong networking, Logix integration |
- Key Selection Criteria
8.1 พลัง & Current Matching
Rated output current ≥ 2.5A
Rated power ≥ 0.75kW
8.2 วิธีการควบคุม
Prefer Sensorless Vector Control (สวีซี)
PG feedback vector for higher precision
8.3 Brake Function
Must support built‑in brake chopper
Must allow external brake resistor
8.4 Communication & Expansion
Modbus‑RTU support
Expansion card compatibility
8.5 Installation & Cooling
Compatible dimensions and mounting
Same natural convection cooling
- Recommended Replacement Grades
| Grade | แบบอย่าง | Reason | Applications |
| 1st Choice | Delta VFD4A8MS33ANSAA | Original upgrade, full compatibility | Existing Delta systems |
| 1st Choice | Siemens V20‑6SL3210‑5BB17‑5UV1 | Global support, ความน่าเชื่อถือสูง | Industrial automation |
| 2nd Choice | Schneider ATV320U75N4 | Compact, efficient | Fans, ปั๊ม, building systems |
| 2nd Choice | Mitsubishi FR‑D740‑0.75K‑CHT | Versatile, widely compatible | Machine tools, textiles |
| Special | Rockwell PowerFlex 525 | EtherNet/IP advantage | Smart factories |
| Special | ABB ACS355‑03E‑02A4‑4 | Heavy‑duty, durable | Mining, large machinery |
- Replacement Implementation Notes
- Parameter Migration
Copy frequency, accel/decel, control mode, braking settings
Match overcurrent, แรงดันไฟฟ้าเกิน, ป้องกันความร้อน
- Wiring Adaptation
Maintain main power (input/output) configuration
Adapt control terminals (DI/DO, AI/AO)
Correct brake resistor wiring
- Commissioning & Testing
No-load test: direction, speed, noise
Load test: stability, response
Communication test: Modbus‑RTU
- Maintenance & Training
Familiarize with new keypad and software
Establish maintenance schedule
The Delta VFD007E43T is a widely used 0.75kW general‑purpose inverter from the VFD‑E series, featuring sensorless vector control, built‑in PLC, และการออกแบบโมดูลาร์. As the series is discontinued, the Delta MS300 series is the recommended direct replacement. For cross‑brand replacement, Siemens V20 and Schneider ATV320 are reliable alternatives. Selection priority should be given to parameter matching, control compatibility, brake function, and ease of integration to ensure equivalent or better performance.
Complete Guide to Delta VFD007E43T Replacements
The Delta VFD007E43T is a 0.75kW (1เอชพี), 3‑phase 400V general‑purpose inverter from the VFD‑E series with a built‑in brake chopper. Below is a complete list of Delta original upgrade models and global brand alternatives, sorted by recommendation level.
- Base Reference Specifications
| Item | ค่า | Matching Requirement |
| กำลังไฟพิกัด | 0.75กิโลวัตต์ (1เอชพี) | Must be ≥ 0.75kW |
| Rated Output Current | 2.5ก (RMS) | Must be ≥ 2.5A |
| แรงดันไฟฟ้าขาเข้า | 3‑phase 380~480VAC | Must match |
| วิธีการควบคุม | Sensorless Vector Control (สวีซี) | SVC/VVC preferred |
| Brake Function | Built‑in brake chopper (T version) | Must have built‑in brake chopper |
| Communication | RS‑485 (Modbus‑RTU) | Modbus‑RTU compatible |
| การป้องกัน | IP20 | At least IP20 |
- Delta Original Upgrade Models
| Replacement Model | Series | Specs | Upgrade Benefits | Applications |
| VFD4A8MS33ANSAA | MS300 (Official Replacement) | 0.75กิโลวัตต์, 2.5ก, 3‑phase 400V, built‑in brake | Improved performance, parameter compatible, EtherNet/IP | Existing Delta systems |
| VFD007EL43W | EL Series | 0.75กิโลวัตต์, 2.5ก, 3‑phase 400V, built‑in brake | Ultra‑compact, 5mm side‑by‑side | Space‑limited cabinets |
| VFD007ME43ANNAA | ME300 (EL Upgrade) | 0.75กิโลวัตต์, 2.5ก, 3‑phase 400V, built‑in brake | Better cooling, dual RJ45, CANopen | New equipment, IIoT |
- Critical Replacement Notes
- Parameter Copy
Copy frequency range, acceleration, deceleration, control mode, braking
Match protection settings (กระแสเกิน, แรงดันไฟฟ้าเกิน, thermal)
- Wiring
Keep main power input/output unchanged
Adapt digital/analog I/O terminals
Correct brake resistor wiring (recommended 40Ω, 100ว)
- Commissioning
No-load test: direction, speed, noise
Load test: stability, response
Communication: verify Modbus‑RTU
The Delta VFD007E43T has many reliable replacements. For minimum modification, choose the Delta MS300 series. For cross-brand projects, Siemens V20 and Schneider ATV320 are highly reliable. Always match power, ปัจจุบัน, แรงดันไฟฟ้า, braking, and communication to maintain system performance.
