WEG CFW11 Applications Manual page 3

Contents
CONTENTS
ABOUT THE MANUAL .................................................................................... 5
ABBREVIATIONS AND DEFINITIONS .................................................................................................... 5
NUMERICAL REPRESENTATION ........................................................................................................... 5
QUICK PARAMETER REFERENCE ............................................................... 6
FAULTS AND ALARMS .................................................................................. 8
1 SAFETY INSTRUCTIONS ............................................................................ 9
1.1 SAFETY WARNINGS IN THIS MANUAL ........................................................................................... 9
1.2 SAFETY WARNINGS IN THIS PRODUCT ......................................................................................... 9
1.3 PRELIMINARY RECOMMENDATIONS.............................................................................................. 9
2 PHOTOVOLTAIC WATER PUMPING SYSTEM ........................................ 11
2.1 OVERVIEW OF THE CFW11 IN PHOTOVOLTAIC SYSTEMS ......................................................... 11
2.2 GENERAL CHARACTERISTICS OF THE SOLAR PUMP ................................................................ 11
3 INSTALLATION .......................................................................................... 13
3.1 SIZING OF PHOTOVOLTAICS SOLAR MODULES ......................................................................... 13
3.2 CONNECTIONS ............................................................................................................................... 16
3.2.1 T4 Model Frame A to D .............................................................................................................. 16
3.2.2 T4 Model Frame E and F ............................................................................................................ 17
Frame A and B .................................................................................................................................... 17
CWB18 – 18A ..................................................................................................................................... 17
(series contact connection).................................................................................................................. 17
(RH50 – 60 Ohm) ................................................................................................................................ 17
CWB9 ~ CWB18 ................................................................................................................................. 17
(parallel contact connection) ................................................................................................................ 17
Frame C and D ................................................................................................................................... 17
CWB25 – 25A ..................................................................................................................................... 17
(series contact connection).................................................................................................................. 17
(2X IRV200 – 20 Ohm) ........................................................................................................................ 17
CWB18 ~ CWB50 ............................................................................................................................... 17
(parallel contact connection) ................................................................................................................ 17
Frame E and F .................................................................................................................................... 17
CWB25 – 25A ..................................................................................................................................... 17
(series contact connection).................................................................................................................. 17
(2X IRV200 – 20 Ohm) ........................................................................................................................ 17
CWM50 ~ CWM250 ............................................................................................................................ 17
(parallel contact connection) ................................................................................................................ 17
3.2.3 T4 Model with Hybrid Power ....................................................................................................... 18
4 CONTROL METHOD BY MAXIMUM POWER POINT TRACKING .......... 19
5 PARAMETERS DESCRIPTION .................................................................. 20
5.1 VOLTAGE REGULATOR ................................................................................................................. 20
5.1.1 Voltage Setpoint Limits ............................................................................................................... 20
5.1.2 Voltage PID Controller ................................................................................................................ 21
5.1.2 Cloud/Load Controller................................................................................................................. 21
5.1.3 System Start Configuration ......................................................................................................... 22
5.1.4 Solar Detector ............................................................................................................................ 23
5.2 PRESSURE CONTROLLER ............................................................................................................ 25
5.2.1 Pressure PID Controller .............................................................................................................. 26
5.2.2 Sleep Mode ................................................................................................................................ 27
5.3 PROTECTIONS ................................................................................................................................ 27
5.3.1 Dry Pump ................................................................................................................................... 28
5.3.2 Minimum Output Pressure .......................................................................................................... 29
5.3.3 Maximum Output Pressure ......................................................................................................... 29
Solar Pump Drive | 3