ZTK(P) electronic control
- Core Performance : Wide speed regulation, low frequency starting torque.
- Applicable scenarios : Mine hoists, inclined winches
- Safety Redundancy : Dual PLC, overload protection
-
Environmental adaptability :
Altitude ≤1000m, humidity ≤95%
- INTRODUCTION
- SPECIFICATION
- RELATED
- INQUIRY
ZTK(P) Low-Voltage Frequency Conversion Control System
I. Overview
Designed for heavy industries including mining, metallurgy, and port operations, the ZTK(P) series provides advanced motor control for asynchronous/PMSM motors with features including:
Modular IP54/IP65 rated design
Wide voltage tolerance (±20% grid fluctuation)
Compliance with GB/T 12668.3-2012 (EMC requirements) and coal mine safety regulations
II. System Architecture
Power Circuit
Rectifier: IGBT/Thyristor (380V-1140V input)
Inverter: Three-level topology (0-400Hz output)
DC Bus: Multi-machine parallel operation support
Control System
PLC with V/F, vector, and DTC control modes
7"/10" HMI with real-time monitoring
Integrated communication protocols (Modbus, Profibus-DP, Ethernet)
III. Technical Specifications
| Parameter | Specification |
|---|---|
| Power Range | 7.5kW - 2000kW |
| Overload Capacity | 150% for 60s / 180% instant |
| Efficiency | ≥97% (full load) |
| Cooling Methods | Air (IP54) / Water (IP65) |
IV. Key Advantages
Industrial Durability
Infineon IGBTs + EPCOS capacitors
MTBF ≥100,000 hours
Smart Control
S-curve acceleration
4G/Remote monitoring
V. Application Solutions
Mining: Hoists, belt conveyors (replaces hydraulic couplings)
Metallurgy: Rolling mills, cranes
Energy Savings: Pump/fan retrofits (20-40% energy reduction)
VI. Competitive Comparison
| Feature | ZTK(P) | Standard VFD |
|---|---|---|
| Protection | IP54/IP65 | IP20/IP31 |
| Control Algorithms | Hoist-optimized | Basic V/F |
| Environment | High-dust/湿度 | Clean rooms |
| Model | Power Range (kW) | Input Voltage (V) | Output Frequency (Hz) | Efficiency (%) | Protection Class |
|---|---|---|---|---|---|
| ZTKP-7.5 | 7.5 | 380±15% | 0-400 | ≥97 | IP54 |
| ZTKP-22 | 22 | 480±10% | 0-650 | ≥96 | IP55 |
| ZTKP-75 | 75 | 690±10% | 0-1200 | ≥95 | IP66 |
Technical Specifications:
Control Method: Vector control with auto-tuning
Communication: Modbus RTU, Profibus-DP, Ethernet/IP
Overload Capacity: 150% for 60 seconds
Ambient Temperature: -10℃ to +50℃
Certifications: CE, UL, cULus, RoHS
Braking: Built-in DC braking & dynamic braking unit
Key Features:
Harmonic suppression: THDi ≤3%
Start-up torque: 200% at 0.5Hz
PID controller with 16 preset speeds
Built-in RFI filter (EN 61800-3)
* All values based on 400V/50Hz power supply
** Optional features: LCD keypad, PLC interface, safety torque off (STO)
† Warranty: 24 months for industrial use
