Sungrow Training

Lesson 1 • PV System Architecture

Explains the roles of modules, inverters, meters, and grid connections in a complete system. Provides the structural map students reference throughout the course.

Lesson 2 • Sungrow Company and Product Overview

Introduces Sungrow's history, global presence, and full product portfolio. Contextualizes where each product line fits within the broader renewable energy market.

Lesson 3 • Safety and Regulatory Foundations

Outlines electrical safety rules, arc-flash hazards, and compliance requirements for PV installations. Ensures safe work practices before any hands-on training begins.

Lesson 1 • Utility-Scale Central Inverter Hardware

Covers the SG3000/SG3125 series cabinet layout, power modules, and transformer integration. Links hardware understanding to large-scale commissioning procedures.

Lesson 2 • Hybrid Inverter and Battery Interface Hardware

Explains the SH series hybrid inverter's battery port, EMS board, and backup output terminals. Establishes hardware context for energy storage configuration chapters.

Lesson 3 • Commercial String Inverter Hardware

Details multi-MPPT commercial inverters, their higher voltage ratings, and integrated safety features. Prepares students for C&I site installation requirements.

Lesson 4 • Residential String Inverter Hardware

Examines the SG series residential inverter enclosure, input stages, and display interfaces. Connects component knowledge to installation and troubleshooting tasks.

Lesson 1 • PV Array Sizing and String Design

Covers MPPT input range calculations, string length limits, and parallel string configuration for Sungrow inverters. Ensures the array operates within inverter specifications.

Lesson 2 • Inverter Selection and Oversizing

Explains DC/AC ratio principles, clipping loss analysis, and inverter model selection for each application. Balances energy yield against equipment cost effectively.

Lesson 3 • Battery Storage Sizing

Guides students through usable capacity calculation, cycle life considerations, and backup duration requirements for SBR/SBH systems. Links storage sizing to hybrid commissioning parameters.

Lesson 4 • Load Analysis and Energy Requirement Assessment

Teaches how to analyze consumption profiles, peak demand, and seasonal variation to define system targets. Accurate load data drives all subsequent sizing decisions.

Lesson 1 • AC Wiring and Grid Connection

Covers AC cable sizing, breaker selection, and grid protection relay settings for safe grid tie. Connects wiring practice to grid compliance requirements.

Lesson 2 • Mounting and Mechanical Fixing

Details wall-mount, floor-stand, and outdoor enclosure installation methods for each inverter class. Ensures mechanical integrity and compliance with load specifications.

Lesson 3 • DC Wiring and String Connection

Explains string sizing, MC4 connector crimping, and polarity verification for DC inputs. Directly prevents wiring faults that cause inverter damage or fire risk.

Lesson 4 • Battery Storage System Installation

Details SBR and SBH battery module stacking, BMS wiring, and communication cable routing. Prepares students for hybrid system commissioning in the next chapter.

Lesson 1 • Grid Protection Parameter Setup

Configures over/under voltage, frequency trip thresholds, and reconnection delays per grid requirements. Ensures the inverter meets utility interconnection conditions.

Lesson 2 • Commissioning Documentation and Handover

Explains how to complete commissioning reports, capture performance baselines, and conduct customer handover. Ensures legal and warranty compliance at project close.

Lesson 3 • Inverter Startup and Initial Configuration

Walks through the power-on sequence, language/time setup, and grid standard selection on the inverter display. Establishes baseline settings for all further configuration.

Lesson 4 • Hybrid and Battery Commissioning

Covers SH inverter battery recognition, SOC calibration, and operating mode selection for hybrid systems. Builds directly on battery hardware installation from the prior chapter.

Lesson 1 • Platform Architecture and Account Setup

Explains iSolarCloud's cloud infrastructure, user roles, and account hierarchy for installers and end users. Provides the access framework for all monitoring tasks.

Lesson 2 • Real-Time Monitoring and Dashboards

Covers live power flow diagrams, energy yield widgets, and device status indicators on the dashboard. Enables rapid identification of underperforming or faulted devices.

Lesson 3 • Plant Creation and Device Registration

Guides users through creating a plant profile, registering inverters via SN, and mapping string layouts. Accurate plant setup is prerequisite for valid performance data.

Lesson 4 • Historical Data Analysis and Reporting

Teaches how to query historical generation, export CSV data, and build automated performance reports. Supports O&M decision-making and customer billing verification.

Lesson 1 • AC-Side and Grid Fault Diagnosis

Explains how to measure grid voltage, frequency deviation, and harmonic distortion at the AC output. Links grid anomalies to specific inverter trip behaviors.

Lesson 2 • Battery and Hybrid System Faults

Addresses BMS alarms, cell voltage imbalance, and communication errors specific to SBR/SBH battery systems. Builds on hybrid commissioning knowledge to resolve storage faults.

Lesson 3 • Fault Code Interpretation

Maps Sungrow fault code categories to root causes across grid, DC input, and internal hardware faults. Provides the diagnostic vocabulary used throughout this chapter.

Lesson 4 • DC-Side Diagnostic Procedures

Covers string IV curve tracing, open-circuit voltage measurement, and insulation resistance testing on the DC side. Isolates module, string, and wiring faults systematically.

Lesson 1 • SCADA and External Control Integration

Explains Modbus TCP/RTU register mapping, SCADA integration, and remote setpoint control for utility-scale plants. Enables centralized plant management and automated dispatch.

Lesson 2 • Reactive Power and Power Factor Control

Configures Q(U), cos-phi(P), and fixed power factor modes on Sungrow inverters for grid support. Demonstrates how reactive power management improves grid voltage stability.

Lesson 3 • Frequency-Watt and Volt-Watt Response

Programs frequency-watt droop curves and volt-watt response functions for grid stability support. Connects inverter behavior to system-level grid frequency and voltage management.

Lesson 4 • Active Power Curtailment and Export Limiting

Implements zero-export, fixed export limit, and dynamic export control using Sungrow's meter-based feedback. Ensures compliance with network operator export restrictions.