Vfd & Motor Control Failures (Paperback)
Idioma: inglés
Editorial: Independently Published, 2026
- Tapa blanda
- Nuevo
Librería: Grand Eagle Retail, Bensenville, IL, Estados Unidos de AmericaGrand Eagle Retail
Vendedor de IberLibro desde 12 de octubre de 2005
Condición: Nuevo
EUR 29,21
Cantidad disponible: 1 disponible
Añadir al carritoDescripción del artículo del vendedor
Paperback. A VFD trip is not a diagnosis. It is evidence.When an industrial motor stops, overheats, loses torque, vibrates, or trips repeatedly, the visible alarm is often only the surface symptom. The real cause may be hidden in the motor cable, power supply, drive parameters, control wiring, grounding, braking circuit, mechanical load, feedback device, or machine process.VFD & Motor Control Failures is a practical engineering guide to diagnosing variable-frequency drives, industrial motors, and complete motor-control systems under real operating conditions.This book goes beyond alarm-code lists and generic troubleshooting advice. It shows how to collect evidence, interpret drive behavior, verify electrical and mechanical conditions, eliminate false assumptions, and prove the true root cause before replacing expensive components.Inside this book, you will learn how to diagnose: - Overcurrent, overvoltage, undervoltage, overload, overheating, and ground-fault trips- Motors that fail to start, accelerate poorly, lose torque, overheat, vibrate, or draw abnormal current- Loose terminals, damaged cables, phase loss, voltage imbalance, and incorrect motor connections- Parameter errors involving motor data, acceleration and deceleration ramps, control modes, current limits, switching frequency, and protection settings- DC-bus instability, braking resistor failures, regenerative energy, and trips during deceleration- Grounding, shielding, EMC, bearing currents, and long motor-cable problems- Digital-input, analog-reference, encoder, sensor, interlock, and communication faults- Mechanical overload, seized bearings, misalignment, damaged gearboxes, blocked pumps, and process-related failures- Intermittent faults that appear only under load, at high speed, during temperature changes, or in specific production cyclesThe diagnostic method is built around real maintenance work: Symptom identificationAlarm and event-history analysisElectrical and mechanical inspectionVoltage, current, insulation, resistance, temperature, and signal measurementsParameter verificationRoot-cause confirmationCorrective actionPost-repair testingFailure preventionRealistic machine-failure cases show how misleading symptoms can lead technicians toward the wrong component. Each case explains what failed, what evidence was collected, which assumptions were incorrect, how the root cause was proven, and how recurrence was prevented.This book is written for industrial electricians, maintenance technicians, automation engineers, commissioning specialists, service engineers, machine builders, and reliability professionals working with real machines and real downtime.Whether you are dealing with repeated drive trips, motor overheating, current imbalance, unstable speed, braking faults, wiring problems, communication loss, or a machine that stops without a clear reason, this book gives you a systematic path from alarm to evidence, from evidence to root cause, and from root cause to a reliable repair.Stop resetting faults without understanding them.Stop replacing drives, motors, and cables without proof.Diagnose the complete system.Book 1 of the Industrial Motor and Drive Diagnostics Series. This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.…
N° de ref. del artículo 9798188334277
- Título
- Vfd & Motor Control Failures (Paperback)
- Autor
- Veselin Madzharov
- Editorial
- Independently Published
- Año de publicación
- 2026
- Estado
- new
- Encuadernación
- Paperback
- Idioma
- inglés
- ISBN 13
- 9798188334277
- Serie
- Libro 1 de 5: VFD & Motor Control Failures
A VFD trip is not a diagnosis. It is evidence.
When an industrial motor stops, overheats, loses torque, vibrates, or trips repeatedly, the visible alarm is often only the surface symptom. The real cause may be hidden in the motor cable, power supply, drive parameters, control wiring, grounding, braking circuit, mechanical load, feedback device, or machine process.
VFD & Motor Control Failures is a practical engineering guide to diagnosing variable-frequency drives, industrial motors, and complete motor-control systems under real operating conditions.
This book goes beyond alarm-code lists and generic troubleshooting advice. It shows how to collect evidence, interpret drive behavior, verify electrical and mechanical conditions, eliminate false assumptions, and prove the true root cause before replacing expensive components.
Inside this book, you will learn how to diagnose:
• Overcurrent, overvoltage, undervoltage, overload, overheating, and ground-fault trips
• Motors that fail to start, accelerate poorly, lose torque, overheat, vibrate, or draw abnormal current
• Loose terminals, damaged cables, phase loss, voltage imbalance, and incorrect motor connections
• Parameter errors involving motor data, acceleration and deceleration ramps, control modes, current limits, switching frequency, and protection settings
• DC-bus instability, braking resistor failures, regenerative energy, and trips during deceleration
• Grounding, shielding, EMC, bearing currents, and long motor-cable problems
• Digital-input, analog-reference, encoder, sensor, interlock, and communication faults
• Mechanical overload, seized bearings, misalignment, damaged gearboxes, blocked pumps, and process-related failures
• Intermittent faults that appear only under load, at high speed, during temperature changes, or in specific production cycles
The diagnostic method is built around real maintenance work:
Symptom identification
Alarm and event-history analysis
Electrical and mechanical inspection
Voltage, current, insulation, resistance, temperature, and signal measurements
Parameter verification
Root-cause confirmation
Corrective action
Post-repair testing
Failure prevention
Realistic machine-failure cases show how misleading symptoms can lead technicians toward the wrong component. Each case explains what failed, what evidence was collected, which assumptions were incorrect, how the root cause was proven, and how recurrence was prevented.
This book is written for industrial electricians, maintenance technicians, automation engineers, commissioning specialists, service engineers, machine builders, and reliability professionals working with real machines and real downtime.
Whether you are dealing with repeated drive trips, motor overheating, current imbalance, unstable speed, braking faults, wiring problems, communication loss, or a machine that stops without a clear reason, this book gives you a systematic path from alarm to evidence, from evidence to root cause, and from root cause to a reliable repair.
Stop resetting faults without understanding them.
Stop replacing drives, motors, and cables without proof.
Diagnose the complete system.
Book 1 of the Industrial Motor and Drive Diagnostics Series.
“Sinopsis” puede pertenecer a otra edición de este título.
Grand Eagle Retail
Bensenville, IL, Estados Unidos de America
Vendedor de IberLibro desde 12 de octubre de 2005
Tarifas de envío en Estados Unidos de America
| Artículo | De 6 a 14 días hábiles | De 6 a 16 días hábiles |
|---|---|---|
| Primer artículo | EUR 0,00 | EUR 0,00 |
Métodos de pago
Información empresarial del vendedor
APOLLO ONLINE CORP.
605 Geddes Street
Wilmington, DE Estados Unidos de America 19805
Condiciones de venta
We guarantee the condition of every book as it¿s described on the Abebooks web sites. If you¿ve changed
your mind about a book that you¿ve ordered, please use the Ask bookseller a question link to contact us
and we¿ll respond within 2 business days.
Books ship from California and Michigan.
Derecho al desistimiento
Si es un consumidor, puede rescindir el contrato de acuerdo con lo siguiente. Por consumidor se entiende cualquier persona física que actúe con fines ajenos a su actividad comercial, empresarial, oficio o profesión.
Información sobre el derecho de desistimiento
Derecho legal de desistimiento
Tiene derecho a rescindir este contrato en un plazo de 14 días sin dar ningún motivo.
El periodo de desistimiento vencerá a los 14 días desde que usted, o un tercero que no sea el transportista e indicado por usted, adquiera la posesión física del último bien o del último lote o pieza.
Para ejercer el derecho de desistimiento, complete de forma electrónica y envíe una declaración clara en nuestro sitio web, desde "Mis compras" en "Mi cuenta". Le enviaremos sin demora un acuse de recibo de dicho desistimiento a través de un soporte duradero (por ejemplo, por correo electrónico).
Para cumplir con el plazo de desistimiento, basta con que envíe su comunicación relativa al ejercicio del derecho de desistimiento antes de que venza el periodo de desistimiento.
Efectos del desistimiento
Si rescinde este contrato, le reembolsaremos todos los pagos que hayamos recibido de usted, incluidos los gastos de envío (excepto los gastos adicionales que surjan si elige un tipo de envío que no sea el tipo de envío estándar más económico que ofrecemos).
Podemos hacer una deducción del reembolso por la pérdida de valor de cualquier bien suministrado, si la pérdida es el resultado de una manipulación innecesaria por su parte.
Efectuaremos el reembolso sin demoras indebidas y, a más tardar, 14 días después de que se nos informe de su decisión de rescindir este contrato.
Efectuaremos el reembolso utilizando el mismo medio de pago que utilizó para la transacción inicial, a menos que haya acordado expresamente lo contrario; en cualquier caso, no incurrirá en ningún cargo como resultado de dicho reembolso.
Podremos retener el reembolso hasta que hayamos recibido los bienes o hasta que nos haya presentado una prueba de que los ha devuelto, lo que ocurra primero.
Deberá devolver los bienes o entregarlos a Grand Eagle Retail, Bensenville, Illinois, U.S.A., sin demoras indebidas y, en cualquier caso, en un plazo máximo de 14 días a partir del día en que nos comunique su desistimiento del presente contrato. El plazo se cumple si devuelve la mercancía antes de que venza el periodo de 14 días. Tendrá que asumir los gastos directos de devolución de los bienes. Usted solo es responsable de la disminución del valor de los bienes como resultado de una manipulación distinta a la necesaria para establecer la naturaleza, las características y el funcionamiento de los bienes.
Excepciones al derecho de desistimiento
El derecho de desistimiento no se aplica a lo siguiente:
- La entrega de periódicos, diarios o revistas, con la excepción de los contratos de suscripción; y
- El suministro de contenido digital que no se proporcione en un soporte tangible (por ejemplo, en un CD o DVD) si, al hacer el pedido, aceptó que podíamos empezar a entregarlo y que no podría desistir una vez iniciada la entrega.
Condiciones de envío
Orders usually ship within 2 business days. All books within the US ship free of charge. Delivery is 4-14 business days anywhere in the United States.
Books ship from California and Michigan.
If your book order is heavy or oversized, we may contact you to let you know extra shipping is required.