Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

Access free engineering resources from IEE Business—covering power design, circuit layout, equipment selection, and troubleshooting. Expert-developed guides help engineers, procurement, and project teams make better decisions. Stay ahead on smart grids, renewables, efficiency, and AI tools. Improve reliability, reduce downtime, and enhance outcomes with real-world solutions. Explore our knowledge hub today.

Wind-solar hybrid system

How to Resolve the Islanding Lockout of Grid-Connected Inverters

How to Resolve the Islanding Lockout of Grid-Connected Inverters Resolving the islanding lockout of a grid-connected inverter usually refers to situations where, despite the inverter appearing to have a normal connection to the grid, the system still fails to establish an effective connection with t

By Echo 11/07, 2025
Voltage control

Power electronic transformer with adaptive PLL technique for voltage-disturbance ride through

A novel PET for a distribution grid called a flexible power distribution unit is proposed in this paper, and the energy exchange mechanism between the network and the load is revealed. A 30 kW 600 VAC/220 VAC/110 VDC medium-frequency isolated prototype is developed and demonstrated. This paper also

By IEEE Xplore 03/07, 2024
Voltage control

A Two-Stage DC-DC Isolated Converter for Battery-Charging Applications

This paper proposes and analyzes a two-stage dc-dc isolated converter for electric vehicle charging applications, where high efficiency over a wide range of battery voltages is required. The proposed conversion circuit comprises a first two-output isolation stage with CLLC resonant structure and a s

By IEEE Xplore 03/07, 2024
Inverters

A Review of Current-Limiting Control of Grid-Forming Inverters Under Symmetrical Disturbances

Grid-forming (GFM) inverters are recognized as a viable solution to increase the penetration of renewable energy in bulk power systems. However, they are physically different from synchronous generators in terms of overcurrent capability. To protect the power semiconductor devices and support the po

By IEEE Xplore 03/07, 2024
Topology

Common-mode Electromagnetic Interference Mitigation for Solid-state Transformers

This article addresses this gap by presenting a comprehensive review of common dc-link MLCs, covering their topological evolution, features, topologies comparison, modulation techniques, control strategies, and industrial application areas. Additionally, future perspectives and recommendations are d

By IEEE Xplore 03/07, 2024
Voltage fluctuations

Dual Fuzzy-Sugeno Method to Enhance Power Quality Performance Using a Single-Phase Dual UPQC-Dual PV Without DC-Link Capacitor

This paper proposes a novel configuration of a dual UPQC supplied by a dual photovoltaic (PV), hereinafter referred to as 2UPQC-2PV, to improve the power quality performance of a single-phase 220 V/50 Hz distribution system. The 2UPQC-2PV configuration is proposed to anticipate the possible failure

By IEEE Xplore 03/06, 2024
Technological innovation

Review of Grid-forming Inverters in Support of Power System Operation

This paper presented an overview of the characteristics of GFM inverters by comparison with those of traditional grid-following inverters, and the recent innovations in GFM inverter technologies were highlighted, summarizing the benefits and opportunities of GFM inverters for grid interactive operat

By IEEE Xplore 03/06, 2024
Voltage control

Power electronic transformer with adaptive PLL technique for voltage-disturbance ride through

A novel PET for a distribution grid called a flexible power distribution unit is proposed in this paper, and the energy exchange mechanism between the network and the load is revealed. A 30 kW 600 VAC/220 VAC/110 VDC medium-frequency isolated prototype is developed and demonstrated. This paper also

By IEEE Xplore 03/06, 2024

Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

All

How to Resolve the Islanding Lockout of Grid-Connected Inverters

Power electronic transformer with adaptive PLL technique for voltage-disturbance ride through

A Two-Stage DC-DC Isolated Converter for Battery-Charging Applications

A Review of Current-Limiting Control of Grid-Forming Inverters Under Symmetrical Disturbances

Common-mode Electromagnetic Interference Mitigation for Solid-state Transformers

Dual Fuzzy-Sugeno Method to Enhance Power Quality Performance Using a Single-Phase Dual UPQC-Dual PV Without DC-Link Capacitor

Review of Grid-forming Inverters in Support of Power System Operation

Power electronic transformer with adaptive PLL technique for voltage-disturbance ride through

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