Question 1

What is a 75KVA AVR?

Accepted Answer

A 75KVA AVR (Automatic Voltage Regulator) is a high-capacity voltage stabilizer designed to regulate fluctuating input voltage and provide a stable power supply for commercial, industrial, and other high-load electrical applications.

Question 2

What does 75KVA mean?

Accepted Answer

75KVA means the AVR has an apparent power capacity of 75 kilovolt-amperes. The actual usable power depends on the connected load's power factor and the AVR's specifications.

Question 3

What is a 75KVA voltage stabilizer?

Accepted Answer

A 75KVA voltage stabilizer is an automatic voltage regulation system that corrects fluctuations in incoming electricity and supplies a more stable voltage to connected equipment.

Question 4

What is the price of a 75KVA AVR in Bangladesh?

Accepted Answer

The 75KVA AVR price in Bangladesh depends on the brand, input voltage range, output voltage, phase configuration, voltage regulation accuracy, warranty, and installation requirements. Contact a supplier for the latest price and quotation.

Question 5

Where can I buy a 75KVA AVR in Bangladesh?

Accepted Answer

You can purchase a 75KVA AVR from authorized AVR manufacturers, importers, distributors, and electrical equipment suppliers in Bangladesh. Always verify the product specifications, warranty, and after-sales support.

Question 6

What is the purpose of a 75KVA AVR?

Accepted Answer

A 75KVA AVR is used to regulate unstable electrical voltage and provide a more consistent power supply for factories, industrial machinery, commercial buildings, pumps, compressors, HVAC systems, and other high-power equipment.

Question 7

How does a 75KVA AVR work?

Accepted Answer

A 75KVA AVR continuously monitors the incoming voltage. When the input voltage becomes too high or too low, the AVR automatically adjusts the output to maintain voltage within its specified regulation range.

Question 8

Why do I need a 75KVA AVR?

Accepted Answer

A 75KVA AVR can help protect compatible electrical equipment from voltage fluctuations, under-voltage, and over-voltage conditions within its specified operating range.

Question 9

Can a 75KVA AVR protect industrial machines?

Accepted Answer

Yes. A properly sized 75KVA AVR can help provide stable voltage to compatible industrial machinery and reduce problems associated with unstable electrical supply.

Question 10

Can a 75KVA AVR protect against low voltage?

Accepted Answer

Yes. Within its specified input voltage range, a 75KVA AVR can compensate for low incoming voltage and provide regulated output voltage.

Question 11

Can a 75KVA AVR protect against high voltage?

Accepted Answer

Yes. A 75KVA AVR can regulate excessive input voltage within its specified operating limits, helping protect connected equipment from unsuitable voltage levels.

Question 12

What is the input voltage range of a 75KVA AVR?

Accepted Answer

The input voltage range depends on the specific model and manufacturer. The required input range should be selected according to the voltage conditions at the installation site.

Question 13

What is the output voltage of a 75KVA AVR?

Accepted Answer

The output voltage depends on the model and electrical configuration. The AVR provides regulated output according to its specified technical parameters.

Question 14

Is a 75KVA AVR single-phase or three-phase?

Accepted Answer

75KVA AVRs are available in different configurations. Three-phase 75KVA AVRs are commonly considered for commercial and industrial applications, but the correct configuration depends on the site's electrical supply.

Question 15

What equipment can a 75KVA AVR support?

Accepted Answer

A 75KVA AVR can support compatible equipment such as industrial machinery, CNC machines, pumps, compressors, HVAC systems, production equipment, elevators, and commercial electrical systems.

Question 16

Can a 75KVA AVR be used in a factory?

Accepted Answer

Yes. A 75KVA AVR can be used in factories and manufacturing facilities to regulate voltage supplied to suitable production machinery and electrical systems.

Question 17

Can a 75KVA AVR be used for CNC machines?

Accepted Answer

Yes. A properly selected 75KVA AVR can be used for CNC machines and other precision equipment when the AVR's voltage, capacity, phase, frequency, and regulation specifications meet the equipment requirements.

Question 18

Can a 75KVA AVR handle motor loads?

Accepted Answer

Yes, but motor starting current must be considered. Motors can draw substantially higher current during startup, so the AVR must be correctly sized for both running and starting loads.

Question 19

Can a 75KVA AVR be used for pumps and compressors?

Accepted Answer

Yes. It can be suitable for compatible pumps and compressors when their running power and starting current remain within the AVR's rated capacity.

Question 20

Can a 75KVA AVR work with a generator?

Accepted Answer

A 75KVA AVR may be used with a generator if the generator provides compatible voltage, frequency, capacity, and electrical characteristics. Professional compatibility assessment is recommended.

Question 21

How much load can a 75KVA AVR handle?

Accepted Answer

A 75KVA AVR has a rated apparent power capacity of 75 kVA. The actual load capacity depends on power factor, starting current, load type, and the manufacturer's specifications.

Question 22

How do I calculate the required AVR capacity?

Accepted Answer

Calculate the total running power of the equipment that will be connected to the AVR and consider starting or surge current. Motors and other inductive loads may require additional capacity.

Question 23

What are the benefits of using a 75KVA AVR?

Accepted Answer

The main benefits include automatic voltage regulation, improved power stability, protection against voltage fluctuations, reduced voltage-related equipment problems, and reliable operation of compatible electrical loads.

Question 24

Does a 75KVA AVR reduce electricity consumption?

Accepted Answer

The main function of a 75KVA AVR is voltage regulation and equipment protection. It should not be considered primarily as an electricity-saving device.

Question 25

Does a 75KVA AVR protect against power surges?

Accepted Answer

An AVR can regulate voltage variations within its designed operating range. For lightning and severe transient surges, additional surge protection equipment may be required.

Question 26

What is the difference between a 75KVA AVR and a 75KVA transformer?

Accepted Answer

A transformer is primarily used to change AC voltage levels and may provide electrical isolation. An AVR is designed to automatically regulate fluctuating voltage and maintain a more stable output.

Question 27

Does a 75KVA AVR require regular maintenance?

Accepted Answer

Yes. Preventive maintenance can help ensure reliable performance. Electrical connections, cooling systems, internal components, protection systems, and operating conditions should be inspected by qualified technicians.

Question 28

Where should a 75KVA AVR be installed?

Accepted Answer

A 75KVA AVR should be installed in a clean, dry, and well-ventilated area with sufficient clearance for cooling and maintenance. Protect the unit from excessive heat, moisture, dust, and physical damage.

Question 29

What happens if a 75KVA AVR is overloaded?

Accepted Answer

Overloading can cause excessive heating, protective shutdown, abnormal operation, or equipment damage. The connected load should always remain within the AVR's rated capacity.

Question 30

Why should I buy a 75KVA AVR from an authorized supplier in Bangladesh?

Accepted Answer

Buying from a reliable or authorized supplier helps ensure genuine products, correct specifications, professional installation, warranty coverage, spare parts, and dependable after-sales technical support.

Item / Parameter	Specification / Technical Value
Brand	HOWAPOWER
Capacity	75KVA
Model	75000
Phase	Three-phase
Frequency	50Hz
Input Voltage	280V~430V/160V~250V(For option)
Working Input Voltage	230V~475V/135V~274V
Output Voltage	380/220 ± 3 % (Adjustable)
Protection	Over/Under Voltage Protected, Short circuit & overload, Over-Temperature Protection , Over/Under Current Protection
Environment	Natural Cooling with fan source
Admitted Overlod	150% for 2 min
Efficiency	AC-AC > 95%
AVR Colour	RAL 7035
Voltage Stabilization	DC Motor Control
Dimension	W×D×H-460mmx410mmx980mm---
Weight	--

TNS-75KVA

Key Features

Application

Suitable Applications

Questions & Answers for TNS-75KVA