digital motor protection relay

ANY Timer Rrelay
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Successful digital motor protection relay for High-Risk Applications
Reliable digital motor protection relay Styles for Commercial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their whole range of digital motor protection relay . They provide a comprehensive set of digital motor protection relay products along with other interrelated items. These units are seen in diverse applications including commercial applications, industrial manage circuits and OEM Panels. These devices come with great precision and repeatability. The common digital motor protection relay that are designed in recent times require very tiny panel space.

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Generic 5hp 4kw 220-250v Variable Frequency Drive Inverter VFD Carrier Adjustable By 16khz, Completely Soundless Working Environment

  • Frequency Control 1.Range:0.1~2500.0Hz 2.Accuracy: Digital: (0.1%-10~40°C); Analog: 0.1% (25±10°C) 3.Setting Resolution:Digital: 0.1Hz; Analog: 1% of max. Operating frequency 4.Output Resolution:0.1Hz 5.Operator Setting Method:Press directly to set 6.Analog Setting Method:External Voltage 0-5V, 0-10V, 4-20mA, 0-20mA 7.Other FunctionsFrequency lower limit, starting frequency, stopping frequency, three skip frequencies can be respectively set.9
  • This VFD can be used for constant torque loads ( such as hard starting: Air compressors, HVAC units) and variable torque loads (such as pumps, fans, etc). It can be used as a motor speed control and a phase converter. The inpute for this VFD is 1 or 3 phase as you like. You can control the different speed as you like when yo use this VFD. Many customer bought this VFD from us to use for: Lathes, Mills, Car Hoists, Pumps & Conveyors, etc and then performance excellently. This item use Sine wave PWN(SPWM ) for the control system and performace excellently.
  • Why choose this product 1.Our item adopts the Japan Mitsubish chip 2.PID control; advanced calculous PID closed-loop arithmetic, quick responding speed and high suitability 3.Easy PLC function can realize 16 legs of speed and inverter control function 4.RS485 communication port, adopting standard international MODBUS main circuit control 5.With extremely strong anti-jamming capability 6.Low output ratting torque0.5HZ-150%, low speed running ability 7.Carrier adjustable by 16KHZ, completely soundless working environment 8.Broad voltage working area 9.Auto voltage regulation (AVR) technique, for ensuring the inverter load capability 10.Various control technique by both synchronization and non-synchronization, dynamically realize fast starting without changing brakes 11.With perfect error protection and short circuit starting protection capability 12.ISO9001 quality certificationswhich means this item is the top quanlity item
  • Protection Functions 1.Overload Protection: electronic relay protection motor drive (for constant torque150%/1 min. for the kinds of fan 120%/1min.) 2.Fuse Protection:When the fuse breaks , the motor will stop. 3.Over-voltage:220V class: DC Voltage >400V 4.Under-voltage: 220V class: DC Voltage < 200V 5.Restart After Instant Stop: Restart with Frequency Track afterInstant Stop 6.All Protection: Stall protection in ramp operation 7.Output Short Circuit: Electrical circuit protection 8.Other Functions:Fin over-heat protection, restriction of reverse running, direct start after power on, fault reset, parameter lock PID, one-drive-more, etc.
  • General Control 1.Ramp Control:Selectable 4-speed steps ramp-up and -down time (0.1-6500s). 2.V/F Curve:Set V/F curve at will 3.rque Control:Torque increase settable by max. 10.0%. The starting torque can reach 150% at 1.0Hz. 4.Multi-Inputs:6 multi-function input terminals for 8-speed steps control, program operation, switching of 4-speed Ramp, UP/DOWN function, counter, external emergency stop and other functions. 5.Multi-Outputs:5 multi-output for displaying of running, zero speed, counter, external abnormity, program operation and other information and warnings. 6.Other Functions:Auto Voltage Regulation (AVR), Decelerating Stop or Coasting Stop, DC Braking, Auto Reset and Restart, Frequency Track, PLC Program Control, Traverse Control, Drawing Control, Auto Energy Saving, Carrier Adjustable (Up to 20KHz), etc.

Introduction

This VFD can be used for constant torque loads ( such as hard starting: Air compressors, HVAC units) and variable torque loads . The inpute for this VFD is 1 or 3 phase as you like. Many customer bought this VFD from us to use for: Lathes, Mills, Car Hoists, Pumps and Conveyors, etc and then performance excellently. This item use Sine wave PWN(SPWM ) for the control system and performace excellently.

Technical Parameters

Inpute Voltage: 220±15% (We also stock 380±15%, please contact us for item stock)

Output Voltage: 208 to 240VAC (analogous to Input Voltage)

Inpute Frequency: 48 to 63 Hz

Outpute Frequency: 0 to 400 Hz

Inpute Phase: 1 or 3 phase as you like

Outpute Phase: 3 phase

Features

1.Our item adopts the Japan Mitsubish chip;

2.PID control; advanced calculous PID closed-loop arithmetic, quick responding speed and high suitability;

3.Easy PLC function can realize 16 legs of speed and inverter control function;

4.RS485 communication port, adopting standard international MODBUS main circuit control;

5.With extremely strong anti-jamming capability;

6.Low output ratting torque, low speed running ability;

7.Carrier adjustable by 16KHZ, completely soundless working environment;

8.Broad voltage working area;

9.Auto voltage regulation (AVR) technique, for ensuring the inverter load capability;

10.Various control technique by both synchronization and non-synchronization;

11.With perfect error protection and short circuit starting protection capability;

Buy Now!
Price: $259.00


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asked Need short information with circuit diagram about 😕

1. high voltage three phase motor protection. 2.digital protection of transformer. I wait help.

And got the following answer:

These may help: Motor Protection: http://www.kilowattclassroom.com/Archive/MotorOL.pdf http://www.ab.com/en/epub/catalogs/12768/229240/229254/229469/3100802/ http://www.littelfuse.com/protection-relay/overview-and-applications/motor-protection.html Transformer Protection: http://www.gedigitalenergy.com/multilin/catalog/dtp.htm http://www.beckwithelectric.com/docs/tech-papers/xfmr_en.pdf http://pm.geindustrial.com/Transformer.asp http://www.geindustrial.com/pm/brochure/dtp/dtp.pdf

The digital motor protection relay perform particularly well with distinctive applications which are precise to power distribution and protection. The relays include wide adjustment ranges using a scale that may be easy to study either in three or 4 digits according to the model. These digital motor protection relay support in increasing the flexibility on the applications, cut down the general power and maintenance fees. You can find relays that are made use of for basic purposes which come in reputable designs with speedy replacement possibilities. And you can find models which are applied for industrial applications and heavier duty applications that work on significant loads. These items are created to meet the lifetime industrial manage desires with the applications.
Their most up-to-date goods are the Time counter, Timer Delay, digital motor protection relay, Fast Connect Couplings, Electronic Motor Couplings, Aluminum Couplings, Morse Couplings and a variety of others. The website delivers a detailed description of every single model in numerous categories of digital motor protection relay couplings and sensors. These goods are very beneficial for high-risk applications. The digital motor protection relay are also available with characteristics like a number of timing ranges and functions. The firm is presently in search of agents and dealers who can promote and sell their factory produced products. They’re generally on a lookout for creating new and much more trustworthy merchandise according to the needs and requirements on the industry.

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