Sungrow Installer Training

Lesson 1 • Grid Interaction Basics

Introduces how inverters synchronize with the utility grid and manage power flow. Prepares students for grid compliance topics covered in later chapters.

Lesson 2 • Photovoltaic Principles and Solar Resources

Covers how sunlight converts to DC electricity and how irradiance affects output. Establishes the physics basis needed for all subsequent system design decisions.

Lesson 3 • Safety Standards for PV Systems

Covers electrical hazards, arc flash, and lockout/tagout procedures specific to solar installations. Establishes the safety mindset required throughout the entire course.

Lesson 1 • Product Selection Criteria

Applies load analysis, site constraints, and grid requirements to product choice. Reinforces decision-making skills used throughout installation and commissioning chapters.

Lesson 2 • Residential String Inverter Range

Details single-phase and three-phase residential inverters, power classes, and key features. Connects product specs to the PV fundamentals established in Chapter 1.

Lesson 3 • Battery Energy Storage Products

Introduces Sungrow hybrid inverters and battery modules for residential and commercial storage. Prepares students for storage system design covered in Chapter 5.

Lesson 1 • Electrical BOS Design

Addresses DC and AC wiring, overcurrent protection, and disconnects for Sungrow systems. Ensures designs meet equipment manufacturer and electrical safety requirements.

Lesson 2 • String Sizing and Voltage Calculations

Teaches Voc, Vmp, and temperature-corrected string voltage calculations for Sungrow MPPT inputs. Directly applies inverter spec knowledge from Chapter 2.

Lesson 3 • Design Documentation and Permitting

Covers single-line diagrams, site plans, and permit application packages. Prepares students to submit complete documentation before physical installation begins.

Lesson 4 • Energy Yield Estimation

Uses simulation tools to predict annual generation and validate design assumptions. Provides the performance baseline referenced during commissioning and monitoring.

Lesson 1 • DC Array Wiring and Connection

Details MC4 connector assembly, string wiring, and DC input termination at the inverter. Builds on BOS design from Chapter 3 with hands-on wiring procedures.

Lesson 2 • Communication and Monitoring Wiring

Installs RS485, Ethernet, and CT sensor wiring for Sungrow monitoring systems. Prepares the physical communication layer for commissioning in Chapter 5.

Lesson 3 • Site Assessment and Pre-Installation Planning

Evaluates structural capacity, clearances, and environmental conditions before installation. Prevents costly rework by identifying site issues during the planning phase.

Lesson 4 • AC Output Wiring and Grid Connection

Covers AC terminal connections, neutral and ground wiring, and utility interconnection points. Ensures correct phase sequencing and safe grid tie-in procedures.

Lesson 1 • Pre-Commissioning Safety Checks

Performs insulation resistance, polarity, and continuity tests before energizing the system. Prevents equipment damage and ensures personnel safety during first power-up.

Lesson 2 • iSolarCloud Monitoring Setup

Registers the system on Sungrow's iSolarCloud platform and verifies live data reporting. Enables remote monitoring and fault detection covered in Chapter 7.

Lesson 3 • Inverter Startup and Initial Configuration

Guides through Sungrow inverter startup sequence and basic parameter entry via the display. Establishes the operating baseline for all subsequent configuration steps.

Lesson 4 • Battery Storage Commissioning

Covers hybrid inverter pairing, battery module initialization, and operating mode selection. Builds on storage product knowledge from Chapter 2.

Lesson 1 • Voltage and Frequency Ride-Through

Sets ride-through curves for low-voltage, high-voltage, and frequency disturbance events. Ensures the system remains connected during grid disturbances as required by grid codes.

Lesson 2 • Reactive Power and Power Factor Control

Explains Q(U) and cos-phi control modes and their configuration in Sungrow inverters. Connects grid interaction fundamentals from Chapter 1 to utility compliance requirements.

Lesson 3 • Active Power Curtailment and Ramp Rates

Configures export limits, dynamic curtailment, and ramp-rate controls for grid stability. Applies commissioning parameter skills from Chapter 5 to advanced grid functions.

Lesson 4 • Harmonic Distortion and EMC

Addresses total harmonic distortion limits and electromagnetic compatibility for Sungrow inverters. Ensures power quality compliance required by utility interconnection agreements.

Lesson 1 • Communication and Monitoring Faults

Resolves RS485, Ethernet, and iSolarCloud data reporting failures. Ensures monitoring integrity required for performance guarantees and remote diagnostics.

Lesson 2 • Battery Storage Fault Diagnosis

Covers BMS alarms, cell imbalance, and communication faults in Sungrow storage systems. Extends commissioning knowledge from Chapter 5 to post-installation fault resolution.

Lesson 3 • AC-Side and Grid Fault Diagnosis

Diagnoses grid overvoltage, undervoltage, frequency, and isolation faults on the AC side. Applies grid compliance knowledge from Chapter 6 to real fault scenarios.

Lesson 4 • DC-Side Fault Diagnosis

Identifies string open-circuit, ground fault, and MPPT imbalance faults using test instruments. Builds on array wiring knowledge from Chapter 4 to locate root causes.

Lesson 1 • Performance Analysis and Yield Optimization

Uses iSolarCloud data to identify underperformance and implement corrective actions. Closes the loop between design yield estimates from Chapter 3 and actual system output.

Lesson 2 • PV Array Inspection and Cleaning

Details module soiling assessment, cleaning methods, and connector inspection procedures. Directly impacts energy yield and prevents degradation-related faults.

Lesson 3 • Battery Storage Maintenance

Covers battery capacity testing, cell balancing verification, and thermal system checks. Extends battery commissioning knowledge to long-term health management.

Lesson 4 • Inverter and Electrical Component Inspection

Covers thermal imaging, connection torque checks, and capacitor health assessment. Applies fault diagnosis skills from Chapter 7 to proactive condition monitoring.