المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
Complete Technical Specifications & Global Alternatives
- Model Code Breakdown
| Code Section | شفرة | وصف |
| مسلسل | VFD | Delta inverter series prefix |
| Power Rating | 7 | Rated output power 0.75kW (1HP) |
| سلسلة المنتجات | ه | 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 Electrical Specifications
| غرض | قيمة | ملحوظات |
| القوة المقدرة | 0.75كيلوواط (1HP) | For 3‑phase induction motors |
| Rated Output Current | 2.5أ (RMS) | 400بطالة, 50/60هرتز |
| Input Voltage Range | 3‑phase 380~480VAC, ±10% | 50/60هرتز, ±5% |
| Output Voltage Range | 0~Input Voltage | PWM control, varies with frequency |
| Output Frequency Range | 0.1~600Hz | قابل للتعديل, max 600Hz |
| Carrier Frequency | 2~15kHz | Adjustable for noise reduction |
| Overload Capacity | 150% التصنيف الحالي, 60ق | حماية التيار الزائد |
| Brake Chopper | Built‑in | External brake resistor optional |
| Power Factor | ≥0.95 | At full load |
| كفاءة | ≥94% | At rated load |
2.2 Control Performance
| غرض | قيمة | وصف |
| Control Method | Sensorless Vector Control (SVC) | 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: 0.01هرتز, 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 ميكانيكية & Environmental Data
| غرض | قيمة | وصف |
| درجة الحماية | IP20 | Finger protection only, cabinet installation |
| Cooling Method | Natural convection | No forced fan, low maintenance |
| أبعاد (W×H×D) | 72×142×152mm | Compact, space‑saving |
| وزن | تقريبا. 1.2كجم | تركيب سهل |
| Operating Temp | -10~40°C | Output derates 1% per °C above 40°C |
| Storage Temp | -20~60°C | Avoid moisture and corrosive gas |
| Vibration | 0.5ز (5~9Hz), 0.3ز (9~150Hz) | IEC compliant |
| Mounting | Wall‑mount, side‑by‑side | Space‑efficient in panels |
- الميزات الهيكلية & مزايا الأداء
3.1 ميزات التصميم
تصميم وحدات: 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 مزايا الأداء
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, up to 30% energy reduction
Self-diagnosis: Full protection and real‑time monitoring
- Key Functions & تكامل النظام
4.1 Core Control Functions
| وظيفة | وصف | Applications |
| SVC Vector Control | High‑precision torque control without encoder | الناقلون, mixers, small machine tools |
| V/F Control | Standard voltage/frequency control | المشجعين, مضخات, 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 | Up to 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, ديفيس نت, CANopen via cards
PLC programming: Delta DOPSoft software
Parameter settings: Keypad or PC, backup & restore supported
- التطبيقات النموذجية
- الأتمتة الصناعية: Small machine tools, woodworking, packaging, textile machinery
- Material Handling: الناقلون, elevators, small cranes, AS/RS
- Fluid Control: المشجعين, مضخات, الضواغط, vacuum pumps
- Medical Equipment: أجهزة الطرد المركزي, ventilators, testing instruments
- Building Equipment: التدفئة والتهوية وتكييف الهواء, water supply, elevator doors, escalators
- Food Processing: Mixers, filling machines, sealers, sterilizers
- استكشاف الأخطاء وإصلاحها
| Fault Code | Fault Type | الأسباب المحتملة | الحلول |
| OC | Overcurrent | Motor overload, ماس كهربائى, wrong parameters | Reduce load, check wiring, extend acceleration |
| OV | الجهد الزائد | High input voltage, excessive braking | Check supply, add brake resistor, extend deceleration |
| UV | انخفاض الجهد | الجهد المنخفض, phase loss | تحقق من مصدر الطاقة, 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
| ماركة | Replacement Model | القوة المقدرة | Input Voltage | Communication | Key Features |
| Delta (Upgrade) | VFD4A8MS33ANSAA | 0.75كيلوواط | 3‑phase 400V | RS‑485 | MS300 series, replaces VFD‑E |
| سيمنز | V20‑6SL3210‑5BB17‑5UV1 | 0.75كيلوواط | 3‑phase 400V | RS‑485 | Cost‑effective, easy operation |
| شنايدر | ATV320U75N4 | 0.75كيلوواط | 3‑phase 400V | مودبوس | Compact, energy‑saving |
| ميتسوبيشي | FR‑D740‑0.75K‑CHT | 0.75كيلوواط | 3‑phase 400V | RS‑485 | Versatile, general machinery |
| اومرون | 3G3MX2‑A4007 | 0.75كيلوواط | 3‑phase 400V | مودبوس | Fast response, low noise |
| ايه بي بي | ACS355‑03E‑02A4‑4 | 0.75كيلوواط | 3‑phase 400V | RS‑485 | Robust, harsh environments |
| روكويل | PowerFlex 525‑25B‑D010N104 | 0.75كيلوواط | 3‑phase 400V | EtherNet/IP | Strong networking, Logix integration |
- معايير الاختيار الرئيسية
8.1 قوة & المطابقة الحالية
Rated output current ≥ 2.5A
Rated power ≥ 0.75kW
8.2 Control Method
Prefer Sensorless Vector Control (SVC)
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 تثبيت & Cooling
Compatible dimensions and mounting
Same natural convection cooling
- Recommended Replacement Grades
| Grade | نموذج | سبب | Applications |
| 1st Choice | Delta VFD4A8MS33ANSAA | Original upgrade, full compatibility | Existing Delta systems |
| 1st Choice | Siemens V20‑6SL3210‑5BB17‑5UV1 | Global support, high reliability | Industrial automation |
| 2nd Choice | Schneider ATV320U75N4 | Compact, efficient | المشجعين, مضخات, 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, overvoltage, الحماية الحرارية
- Wiring Adaptation
Maintain main power (input/output) configuration
Adapt control terminals (DI/DO, AI/AO)
Correct brake resistor wiring
- التكليف & Testing
No-load test: direction, speed, ضوضاء
Load test: stability, response
Communication test: Modbus‑RTU
- صيانة & 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, والتصميم المعياري. 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 (1HP), 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
| غرض | قيمة | Matching Requirement |
| القوة المقدرة | 0.75كيلوواط (1HP) | Must be ≥ 0.75kW |
| Rated Output Current | 2.5أ (RMS) | Must be ≥ 2.5A |
| Input Voltage | 3‑phase 380~480VAC | Must match |
| Control Method | Sensorless Vector Control (SVC) | 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 |
| حماية | IP20 | At least IP20 |
- Delta Original Upgrade Models
| Replacement Model | مسلسل | Specs | Upgrade Benefits | Applications |
| VFD4A8MS33ANSAA | MS300 (Official Replacement) | 0.75كيلوواط, 2.5أ, 3‑phase 400V, built‑in brake | Improved performance, parameter compatible, EtherNet/IP | Existing Delta systems |
| VFD007EL43W | EL Series | 0.75كيلوواط, 2.5أ, 3‑phase 400V, built‑in brake | Ultra‑compact, 5mm side‑by‑side | Space‑limited cabinets |
| VFD007ME43ANNAA | ME300 (EL Upgrade) | 0.75كيلوواط, 2.5أ, 3‑phase 400V, built‑in brake | Better cooling, dual RJ45, يمكنفتح | New equipment, إنترنت الأشياء |
- Critical Replacement Notes
- Parameter Copy
Copy frequency range, acceleration, deceleration, control mode, braking
Match protection settings (التيار الزائد, overvoltage, thermal)
- Wiring
Keep main power input/output unchanged
Adapt digital/analog I/O terminals
Correct brake resistor wiring (recommended 40Ω, 100دبليو)
- التكليف
No-load test: direction, speed, ضوضاء
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, حاضِر, الجهد االكهربى, braking, and communication to maintain system performance.
