INVT EC160A Elevator Controller Applied in Peru Residential Building for Stable Smooth and Energy Efficient Operation

Background

INVT EC160A is an advanced elevator integrated controller that combines drive, control, and network communication technologies into a single system. This controller is particularly suitable for residential buildings where high stability, smooth operation, and energy efficiency are critical. The EC160A ensures efficient integration of elevator control, drive, and management functions through closed-loop vector control, smart elevator control, and network communication. 

In this case, the EC160A was installed in a residential building in Peru with a single machine-room elevator. The building has nine floors, with a rated speed of 1 m/s and a capacity of 630 kg. Since its installation nearly a year ago, the elevator has operated stably, demonstrating excellent ride comfort, operational smoothness, and energy efficiency.

Customer Needs

In residential buildings, especially those with a single elevator, the following requirements are essential:

1.  High Stability: The elevator system needs to operate reliably in daily usage, ensuring safety and comfort for all residents.
2.  Smooth and Quiet Operation: Given the residential setting, minimizing noise and ensuring a smooth ride are critical to maintaining a peaceful living environment.
3. Energy Efficiency: The system must be energy-efficient, especially with frequent use in a residential building, to reduce operating costs.

INVT Solution

To meet these requirements, INVT provided the EC160A elevator integrated controller, which included the following features:

•    Closed-Loop Vector Control: This ensures precise speed control, contributing to smooth and stable operation of the elevator.
•    Emergency Rescue Operation: The system includes a backup UPS (AC220V) for emergency operations, ensuring that the elevator continues to function during power outages.
•    Advanced Group Control: The controller supports the simultaneous operation of multiple elevators, optimizing efficiency.
•    High-Performance Load Cell-Free Starting Compensation: This feature ensures smooth startup without the need for load cells, enhancing comfort and efficiency.
•    PWM Dead Zone Compensation: This reduces motor noise and energy loss, improving both comfort and energy efficiency.

The elevator system configuration is as follows:
•    Controller: EC160A-004-2(A) (1 unit)
•    Gearless Motor: AC220V, 4.2kW (1 unit) + ERN1387 sin/cos encoder (1 unit)
•    Braking Resistor: 35Ω/1200W (1 unit)
•    Handheld LCD Keypad: EC-PAD (1 unit)
•    Car Top Board: EC-CTB-A (1 unit)
•    Car Call Board: EC-CCB (1 unit)
•    Display & Calling Board: DC-03B (10 units)

Solution Values:
The INVT EC160A elevator integrated controller provides several significant advantages:
•    Ultra-Quiet Operation: The system operates with minimal noise, preserving the quiet environment necessary for residential spaces.
•    Precise Floor-Leveling Accuracy: The EC160A ensures accurate leveling, contributing to smooth stops at each floor.
•    Energy Efficiency: The system reduces energy consumption, making it an ideal choice for residential buildings seeking to minimize operating costs.
•    Continuous Daily Operation: The EC160A is designed for high reliability, ensuring the elevator can handle daily usage without interruptions.

The successful application of the EC160A in this residential building confirms its suitability for vertical transport in residential settings, providing a reliable, comfortable, and efficient solution for residents.