Berges ACP micro 3000

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

The BERGES ACP 3000 is a series of micro-inverters designed for continuously variable speed control of three-phase motors, with power ratings ranging from 0.37 to 15 kW. This operating manual provides comprehensive information for installation, operation, and troubleshooting.

Function Description:

The ACP 3000 inverters control the speed of three-phase AC induction motors. They feature a built-in PI (Proportional-Integral) Controller, allowing process control by adjusting motor speed based on a reference input and a feedback input. The inverter can be controlled via a digital keypad, remote keypad unit (XRK01), program memory unit (XPM01), or terminal strip. It supports various input modes for speed reference and Run/Stop control, including keypad, VIN terminals, and electronic motor potentiometer (EMOP/EMOP1). The device offers multiple V/Hz characteristics (linear, mixed, quadratic) with auto-boost or fixed boost options for different applications like constant torque, pumping, and fan curves.

Important Technical Specifications:

Power Range: 0.37–15 kW.
Input Voltage: Models for 1 x 230 VAC (208-230 V~) and 3 x 400 VAC (400-460 V~).
Output Voltage: Three Phase 3.5-230 VAC (for 230V models) or Three Phase 7.0-460 VAC (for 400V models).
Input Frequency: 50/60 Hz (±2%).
Phase Imbalance (3Ø only): ±2%.
Overload Capacity: 150% for 60 seconds.
Running Torque: 100% at 3 Hz.
Starting Torque: Greater than 100%.
Control System: Sine-weighted voltage vector (PWM).
PWM Frequency: 4-16 kHz (plus Autoselect feature).
Frequency Range: 1.00-400.0 Hz programmable in 0.05 Hz increments (0.1 Hz above 99.95 Hz).
Frequency Resolution: 0.05 Hz up to 99.95 Hz, 0.1 Hz above 100.0 Hz.
Acceleration and Deceleration Range: Programmable 0.1 to 600 seconds to maximum frequency (2 Each).
Dynamic Braking: Up to 60% for 6 sec. with standard DB resistor; higher braking power values can be achieved with an external braking chopper (option).
Protection Features: Ground Fault, Short Circuit, Motor Overload (programmable inverse time overload trip), Torque Limit (all four quadrants individually programmable), Overvoltage, Undervoltage, Over Temperature.
Operating Temperature: 0 °C to +40 °C (IP 21 models) or 0 °C to +50 °C (with detached cover).
Storage Temperature: -20 °C to +60 °C.
Humidity: 90% RH or less, non-condensing.
Elevation: 1000 Meters (3,300 Feet) without derating.
Agency Listings: CE Marked, UL/cUL listed, CSA-certified.
Inputs/Outputs: 6 Digital inputs (Pull-up or pull-down logic), 2 Analog inputs (VIN1 Current or voltage; VIN2 Voltage only), 2 Digital outputs (1 Open collector, 1 Relay Form C), 2 Analog outputs (MET1 0-10 VDC, MET2 0/4-20 mA DC).
Dimensions (Size I): 105 x 159 x 123 mm (W x H x D), Weight: 1.4 kg.
Dimensions (Size II): 140 x 220 x 125 mm (W x H x D), Weight: 1.9 kg.
Dimensions (Size III): 140 x 220 x 153 mm (W x H x D), Weight: 3.45 kg.
Dimensions (Size IV): 221 x 327 x 180 mm (W x H x D), Weight: 8.6 kg.

Usage Features:

The ACP 3000 offers a user-friendly interface with a 6-digit backlit LCD display and special annunciators for drive operation and programming. Parameters are organized into two levels: Level 1 for basic operator parameters and Level 2 for advanced features. Programming is typically done when the drive is stopped, with exceptions for analog meter output calibration parameters (70-MCAL and 78-MCAL2). The keypad allows for "Press and Run" operation, speed adjustment, and parameter programming. Quick start instructions are provided for simple applications. The inverter can be configured for various start options, including Line Start Lock-out and Auto-Start into a rotating motor. It also features preset speeds, skip frequencies to avoid mechanical resonances, and adjustable voltage boost for starting torque. EMC compliance requires specific installation measures, including the use of mains filters and shielded cables.

Maintenance Features:

The manual emphasizes the importance of proper installation and adherence to safety instructions to ensure fault-free operation and maximum performance. It details procedures for inspection upon receipt, storage conditions, and general installation rules to prevent damage and ensure longevity. Troubleshooting information includes special indications, fault trip indications (with fault codes and remedies), and steps for resetting faults. The device is designed for permanent connection and installation in a switchgear cabinet. Regular checks of wiring, proper sizing of protection devices (fuses/circuit breakers), and adherence to EMC guidelines are crucial for maintenance and preventing malfunctions. Unauthorized conversions or modifications will void warranty claims.