Avail Bus Systems’ Post

A variable frequency drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage of its power supply. The VFD also has the capacity to control ramp-up and ramp-down of the motor during start or stop, respectively. Even though the drive controls the frequency and voltage of power supplied to the motor, we often refer to this as speed control, since the result is an adjustment of motor speed. There are many reasons why we may want to adjust this motor speed. For example, to • Save energy and improve system efficiency • Convert power in hybridization applications • Match the speed of the drive to the process requirements • Match the torque or power of a drive to the process requirements Improve the working environment Lower noise levels, for example from fans and pumps • Reduce mechanical stress on machines to extend their lifetime Shave peak consumption to avoid peak-demand prices and reduce the motor size required

Certainly! Let’s distill the essence of the ABB ACS 2000 medium voltage AC drive into a compact snippet: “Reliable motor control for diverse applications. High reliability, easy installation, and cost-effective. A true all-rounder!”

Introducing the HYTORC United Kingdom & Ireland LIGHTNING™ PUMP Series Speed, reliability, and versatility are more than needs—they're essential. HYTORC’s new 48v battery-operated LIGHTNING™ PUMP Series is designed to meet today's worksites' increasing complexity and harsh conditions. Our battery-powered hydraulic pumps deliver unparalleled speed, accuracy, and reliability. Key Features Across Both Models: • Brushless DC Variable Speed Motor for enhanced performance. • Water and dust-resistant for tough environments. • Single-port and multi-port configurations available. • 12-month warranty for peace of mind. • Hard Shell Protective Transport Case (Optional extra for Standard model, standard with Smart version). Exclusive to the SMART Model: • 7” Touch Screen interface for intuitive control. • Fully Automatic bolting mode: select the tool on the 7” screen, enter the torque value, push the button, and the pump handles the rest. • HDMI-output • Vibration, Optical & Audio Feedback Remote Control. • BOLTING DOCUMENTATION® for quality compliance. Don’t let slow, unreliable equipment lead to project delays and compromised structural integrity. Equip your team with the HYTORC LIGHTNING™ PUMP Series and stay ahead of the curve. Learn more https://buff.ly/3VQjdpY

What's the function of the electronic components on ev charging controlling board? Let's make a brief discussion about it: email: daisy@cnevcharging.com Looking at the front of the control panel, the two relays on the right are used for vehicle charging output control, and the lower middle is a current transformer and a zero-sequence current transformer, which are used for charging current monitoring and leakage protection. The upper middle part is the switching power supply circuit inside the charging gun, and the lower right part is the input common mode filter circuit. #evcharging #chargingstation #pcba #controllingboard #manufacturing #electroniccomponents #chargerinfrastructure #chargerstructure

#About_DBR_or_Dynamic_Breaking_Resistor. A resistance box, also known as a braking resistor or dynamic braking resistor, is often used in conjunction with a Variable Frequency Drive (VFD) for certain applications. Here's why a resistance box is commonly utilized with VFD: 1. Dynamic Braking: In certain situations, when the motor driven by the VFD needs to decelerate rapidly or stop quickly, the energy from the rotating load must be dissipated. A resistance box provides a path for this excess energy, acting as a dynamic braking system. By connecting a braking resistor to the DC bus of the VFD, the energy is diverted to the resistor, which converts it into heat through resistive dissipation. 2. Energy Dissipation: When a motor is operating in a generator or regenerative mode, such as during braking or deceleration, it can generate excess voltage and energy that need to be safely dissipated. The resistance box absorbs and dissipates this excess energy as heat, preventing it from damaging the VFD or other components of the motor control system. 3. Control of Deceleration Rate: The resistance box enables control over the deceleration rate of the motor. By adjusting the resistance of the box, the rate at which the motor slows down can be regulated, preventing abrupt stops that could cause mechanical stress on the system. 4. Protection of VFD: Utilizing a resistance box with a VFD helps protect the drive from harmful voltage spikes or voltage overloads that can occur during rapid deceleration or when dealing with high inertia loads. The resistance box acts as a buffer, absorbing and mitigating potential electrical issues that could impact the VFD's stability and lifespan. It's important to note that the use of a resistance box with a VFD is application-specific. Not all VFD applications require a resistance box, and the decision to incorporate one depends on factors such as the type of load being driven, the desired deceleration characteristics, and the specific requirements of the motor control system. When implementing a resistance box with a VFD, it is crucial to consider the power rating and heat dissipation capabilities of the resistor, ensuring that it can handle the energy dissipation requirements during braking or deceleration sequences. Additionally, proper design, sizing, and installation are important to ensure safe and effective operation of the resistance box in combination with the VFD.

MEAN WELL introducing the newly launched encapsulated module of 1/4 brick 150W 12:1 (14~160Vdc) ultra-wide voltage input RQB150W12 series.   Main features: 14~160Vdc ultra-wide voltage input can cover the mainstream nominal voltages of global railway systems (24/36/48/72/96/110Vdc), operate under extreme environments of -40~+90℃, an external capacitor can be added to ensure the hold-up time would last for 10~30 ms while the DC input is temporarily unstable, 3KVac high isolation withstand voltage, complete protections, etc.   It is very suitable for industries such as railways, trams, MRTs, buses and information networks, industrial control automation, communication equipment and double-layer isolation requirements, DC #UPS systems, battery voltage conversion or voltage stabilization...etc.     Learn more: https://lnkd.in/gUxHChwb   #MEANWELL #Automation #Railways

It combines Allen-Bradley® components with CUBIC modular systems to create an intelligent motor control center with the flexibility to best fit your plant floor and applications – today and in the future

Why AC and DC UPS Systems Are Critical for Steel Production? AC and DC UPS systems are essential in steel factories to ensure continuous operations, protect equipment, and enhance safety. AC UPS supports heavy machinery like motors and furnaces, while DC UPS powers control systems, automation, and emergency shutdowns. Together, they prevent costly downtime and maintain production stability in high-risk environments. #SteelProduction #UPSsystems #EnergyEfficiency #IndustrialAutomation #SafetyInManufacturing #DCPower #ACPower #SustainableManufacturing #PowerBackup #OperationalContinuity

Avail is a single-source provider that can design, build, test and install bus systems as well as the forced-air cooling system. Our process includes comprehensive engineering analysis of the bus system to determine if it’s meeting its full capability. A well-designed FAC system helps improve generator output and ensures the bus system is running at peak efficiency. Avail benefits include: Smaller buses can still run higher amperages Forced-air cooling systems can be retrofitted to existing bus systems to achieve full output Systems are engineered to each application’s specific requirements The small footprint clears space for other equipment 100% system redundancy delivers increased reliability Appropriate for indoor or outdoor installation https://hubs.li/Q02dzcTc0 #AvailEnergy #Bus #NeverCompromise

Exciting news! Power Innovations cETLus listed to UL 2202, UL2231-1 & -2, and CSA C22.2 No. 281.1, 281.2 and 346 EVQC030 and EVQC060 DC Quick Chargers, offering 30kW or 60kW of continuous output. Perfect for fleets, public buildings, retail, and more, these chargers feature a compact design and IP54-rated enclosure. With flexible power input options, remote updates, and support for multiple payment methods, they optimize EV charging infrastructure while cutting costs. No 480V 3 Phase AC power Input needed - these chargers accept 208/240 3Phase Input, 277 Single Phase & 480Wye in the same unit! Pair with an EV Star extended warranty for added coverage. Explore these innovative chargers here: https://lnkd.in/g9VY-XrD #evstar #powerinnovations #dcfastchargers #level3chargers #evcharging #evchargers #evinfrastructure