PV Powered PVP260kW User Manual Page 70
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- TROUBLESHOOTING
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• Sleep: In this state, the inverter is enabled but the DC voltage is below the
minimum operating window. When the PV input voltage rises above the
starting voltage, the inverter switches to the startup delay state.
•
Startup Delay: In this state, the inverter delays a specified time and then enters
the DC precharge state. The delay depends on the conditions prior to the sleep
state and the time taken to reach this state from the previous shutdown. If a grid
interactive fault occurred on the previous shutdown, the inverter will remain in
this state for five minutes.
• DC Precharge: In this state, the inverter closes the DC precharge-contactor,
which limits inrush current into the DC bus capacitors. When the DC bus
voltage reaches the PV input voltage and is greater than the DC start voltage,
the inverter switches to the AC precharge state.
• AC Precharge: In this state, the inverter closes the main DC contactor and the
AC precharge-contactor, which limits inrush current into the transformer. Once
the transformer is magnetized, the main AC contactor is closed and the AC pre-
charge contactor is opened. After a short delay the inverter switches to the idle
state.
• Idle: In this state, the inverter stops energy conversion and displays a message
indicating that the inverter is idle. The inverter switches to the power tracking
state when the DC voltage is above the DC start voltage. If a fault condition
occurs, the inverter switches to the fault state. If the DC voltage drops below the
minimum, the inverter switches to the sleep state.
• Power Track: In this state, the inverter operates in voltage control mode using
the maximum power point tracking (MPPT) function. If a fault occurs, the
inverter switches to the fault state.
Related Links
• “Troubleshooting and Solar Energy Technical Support” on page 8‑1
DISPLAY SCREENS AND OPERATION
The digital display located on the front of the AE inverter includes both a scrolling
display screen and buttons for operating. The display provides the unit operator with
information about the current state of the inverter.
There are five sets of screens that may display depending on the state of the inverter.
The five sets are:
• Initialize: The initialize state is displayed on the screen when the inverter is first
turned on.
• Energy tracking: These are the normal power production states of idle, run, and
AC and DC precharge. Following the startup delay, the inverter goes to energy
tracking which starts with the DC and AC precharge and then goes to idle and
run.
Advanced Energy
5‑4 Operation 570-1001792-05A
- Advanced Energy 1
- PVP250kW and 1
- PVP260kW Inverters 1
- COPYRIGHT 4
- PRODUCT USAGE STATEMENT 4
- TRADEMARKS 5
- CUSTOMER FEEDBACK 5
- • [email protected] 6
- • [email protected] 6
- Table of Contents 7
- Chapter 3. Planning 8
- Chapter 4. Installing 8
- Chapter 5. Operation 8
- Chapter 7. Maintenance 9
- Appendix A. Specifications 10
- List of Tables 11
- List of Figures 13
- Safety and Product Compliance 15
- Guidelines 15
- SAFETY GUIDELINES 16
- PERSONAL SAFETY 17
- INTERPRETING PRODUCT LABELS 17
- PRODUCT COMPLIANCE 18
- Fire Prevention 21
- ACRONYMS AND FREQUENTLY USED 22
- Product Overview 25
- PRODUCT FEATURES 26
- Card cage assembly 28
- Data Monitoring Card Cage 29
- Operator Interface Controls 30
- Active Cooling System 30
- DC Combiner Sub Panel 30
- DC Sub Panel 31
- DC Distribution PCB 31
- WARNING: 32
- AVERTISSEMENT: 32
- AC Sub Panel 33
- Power supply fuses 34
- Soft start fuses 34
- Planning 35
- LOCATION AND CLEARANCES 36
- 570-1001792-05A Planning 3‑3 37
- CONDUIT AND CONDUCTORS 38
- ENVIRONMENTAL REQUIREMENTS 38
- GROUNDING AND NEUTRAL 39
- REQUIREMENTS 39
- UTILITY GRID INTERCONNECTION 40
- INVERTER MONITORING 41
- CALCULATING DC INPUT VOLTAGE 41
- DC SUBCOMBINER OPTIONS 41
- Fuse Protection for DC Input 42
- Installing 43
- PRE-INSTALLATION INSPECTION 44
- Figure 4‑2. Screen check 45
- Figure 4‑7. Screen inspection 47
- Figure 4‑9. Fan inspection 48
- CONDUIT ENTRY POINTS 51
- CAUTION: 53
- ATTENTION: 53
- ELECTRICAL CONNECTIONS 54
- Figure 4‑14. AC connections 59
- CONNECTING TO THE PV ARRAYS 60
- Figure 4‑16. DC connections 60
- Operation 67
- INVERTER OPERATING STATES 68
- 570-1001792-05A Operation 5‑3 69
- DISPLAY SCREENS AND OPERATION 70
- GROUND FAULT INTERRUPT DEVICE 72
- TO SHUTDOWN THE INVERTER 73
- TO DE-ENERGIZE THE INVERTER 74
- Data Monitoring and Controls 77
- Ethernet Network Connection 78
- MODBUS OVERVIEW 81
- Modbus TCP Installation 82
- TO SET NETWORK BIASING 89
- Table 6‑4. Biasing enabled 89
- Setting the Modbus Address 90
- MODBUS COMMANDS 95
- (Continued) 97
- MODBUS DATA TYPES 98
- MODBUS REGISTER MAPPING 98
- Modbus Data Registers 101
- Modbus Command Registers 104
- Related Links 105
- Maintenance 107
- MAINTENANCE SCHEDULE 108
- VISUAL INSPECTION 108
- REPLACEMENT PARTS 109
- TOOLS REQUIRED 110
- TO MAINTAIN THE AIR FILTERS 110
- Air filters 111
- Card cage air filter 111
- Troubleshooting and Solar 113
- Energy Technical Support 113
- TROUBLESHOOTING WARNINGS AND 114
- Figure 8‑1. Warning screen 115
- SYSTEM WARNINGS 115
- AC UNDER VOLTAGE FAULT 117
- IDENTIFYING A GROUND FAULT 117
- TO RESOLVE A GROUND FAULT 118
- DANGER: 119
- INVERTER FAULT CODES 120
- Table 8‑2. Fault categories 120
- Table 8‑3. Drive (DRV) faults 121
- Grid Faults 122
- Table 8‑5. Grid (GRD) faults 123
- System Faults 124
- PCB STATUS LEDS 125
- Status LED lights 126
- Table 8‑9. Link LED 127
- Table 8‑10. Activity LED 127
- Table 8‑11. Status LED 128
- Table 8‑12. Modbus LED 129
- ☞ Important 130
- Specifications 131
- Efficiency Specifications 134
- CEC Efficiency = 96.5% 135
- COOLING SPECIFICATIONS 137
- ENVIRONMENTAL SPECIFICATIONS 138
- SYSTEM DIAGRAM 139
- MECHANICAL DIAGRAMS 140
- WEIV MOTTO 141
- TW.CLA TC W.TCA 143
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