SHSS500 Series Solar Pump lnverter

Product Features

1. Reliability

   • The Frequency converter integrates multiple protection functions: overvoltage, overcurrent, overload, and overheating.

   • This Variable frequency drive allows configurable protection levels for overvoltage/overcurrent stall prevention.

   • The Inverter employs two-segment jump frequency to eliminate mechanical resonance risks.

2. High Performance

   • Frequency converter’s auto torque boost delivers 150% starting torque at 0.5Hz.

   • Variable frequency drive’s slip compensation ensures ±0.5% speed accuracy.

   • Inverter maintains operation during momentary power loss (0.5-2s).

   • The Frequency converter reduces motor noise by 40% and sustains 150% overload for 60 seconds.

   • Variable frequency drive achieves 99% energy conversion efficiency.

3. Multifunctionality

   • Inverter supports 10 frequency sources: digital knob, analog voltage (0-10V), analog current (0-20mA), RS485, multi-segment speed, PID, etc.

   • Frequency converter provides pulse input (max 100kHz) for precision frequency control.

   • Variable frequency drive includes built-in PLC for 16-speed segment programming.

   • Inverter enables swing frequency, length-counting, and process PID control.

   • Frequency converter’s RS485 interface supports Modbus protocol for industrial networks.

Technical Specifications

4. Control Characteristics

   • Variable frequency drive output frequency: 0-500Hz (resolution: 0.01Hz digital / 0.025% analog).

   • Inverter carrier frequency: 0.8kHz-12kHz (auto-adjusted per load).

   • Frequency converter control modes:

     • SVC (Open-loop vector): 1:200 speed range, ±0.5% stability

     • FVC (Closed-loop vector): 1:1000 speed range, ±0.02% stability

     • V/F mode with 4 curve types (linear/multi-point/Vf separation).

   • Variable frequency drive torque accuracy: ±5% (SVC >5Hz), ±3% (FVC).

5. Protection Mechanisms

   • Inverter protects against: input/output phase loss, overcurrent (150% for 1min), overvoltage (720V DC bus), undervoltage (300V DC bus), motor short-circuit.

   • Frequency converter includes IGBT overtemperature monitoring (85°C threshold).

6. Terminal Functions

   • Variable frequency drive inputs:

     • 5 digital (1 high-speed pulse)

     • 2 analog (AI1: 0-10V; AI2: 0-10V/0-20mA)

   • Inverter outputs:

     • 1 high-speed pulse (50kHz)

     • 1 relay (AC250V/2A)

     • 2 analog (0-10V/0-20mA for frequency/current/voltage)

7. Dynamic Response

   • Frequency converter acceleration/deceleration: 0.1s–6500.0s (linear/S-curve).

   • Variable frequency drive DC braking: 0-100% braking current, 0-36s duration.

Application Scenarios

8. Industrial Automation

   • Inverter precisely controls robotic arm speed (0.01Hz resolution) in assembly lines.

   • Frequency converter regulates conveyor belt torque for fragile product handling.

9. Building Systems

   • Variable frequency drive enables elevator smooth start/stop (S-curve acceleration).

   • Inverter reduces elevator energy consumption by 35% via automatic sleep mode.

10. Energy Optimization

    • Frequency converter cuts pump/fan energy use 30-50% with PID flow matching.

Environmental & Installation

11. Operating Conditions

    • Variable frequency drive altitude: <1000m

    • Inverter temperature: -10°C to +40°C (derate at >40°C)

    • Frequency converter humidity: <95% RH (non-condensing)

12. Selection Guidelines

    Inverter Model (380V)	Power	HP	Current
    SHSS500MT-04T110G	110kW	150HP	210A
    SHSS500MT-04T185G	185kW	250HP	340A
    Variable frequency drive SHSS500MT-04T280G	280kW	380HP	530A
    Frequency converter SHSS500MT-04T630G	630kW	860HP	1100A

13. Critical Notes

    • Solar applications: Inverter requires 1.3× pump power solar array.

    • Deep-well pumps: Variable frequency drive must derate 20% + install output reactor.

Advanced Functions

14. Vector Control

    • Frequency converter’s FVC mode enables servo-like torque response (±3% accuracy).

    • Inverter automatically compensates for load inertia changes.

15. Programmability

    • Variable frequency drive stores 8 custom parameter groups.

    • Frequency converter logs 10,000 operation events with timestamps.

Application Scenarios

Selection Guide