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Comparison of characteristics between modular UPS and tower UPS
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Comparison of characteristics between modular UPS and tower UPS

  • Author:
  • Origin:
  • Time of issue:2021-04-01
  • Views:

(Summary description)Modular UPS has many advantages compared to traditional tower UPS, the relevant features are compared as follows.

Comparison of characteristics between modular UPS and tower UPS

  • Author:
  • Origin:
  • Time of issue:2021-04-01
  • Views:

(Summary description)Modular UPS has many advantages compared to traditional tower UPS, the relevant features are compared as follows.

Information

 

Modular UPS has many advantages compared to traditional tower UPS, but in different regions and industries, there are some controversies due to different cognitions. This article will not make too many comparisons. Only the relevant features are compared as follows. The investment comparison is for reference only. The prices of products of different manufacturers are different, and the actual situation shall prevail.

 

Table 1: Reliability comparison between tower UPS and modular UPS

 

Items

Tower UPS

Modular UPS

Modular UPS of INVT Power

Grid-connected reliability

Hardware design

Power controller integrated parallel control

Power controller + parallel controller

Isolated cold air channel design + PCB board three-proof spraying process

Logical design

Master-slave competition redundancy,Complex logic

Master-slave competition redundancy or centralized control

Adopt non-master-slave distributed control logic mode

Communication

Single CAN or double CAN

Single CAN or double CAN

double CAN redundancy

Reliability evaluation

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Power unit reliability

Voltage loop

Module independent control

Module independent control

Module independent control

Current loop

Analog control/digital control

Fully digital control

Fully digital control

Components

Few redundant design

Partially redundant design

Using integrated package IGBT module device

Reliability evaluation

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Bypass unit reliability

Parallel bypass mode 

Decentralized bypass

Parallel in the rack: centralized bypass

Parallel between racks: decentralized bypass

Parallel in the rack: centralized bypass

Reliability evaluation

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Power unit failure impact

Range

If a unit is broken, the whole system is missing, and the power loss is large

A broken module only affects a single module, and the power loss is small

A broken module only affects a single module, and the power loss is small

Reliability evaluation

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Overall reliability evaluation

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Table 2: User-friendly comparison between tower UPS and modular UPS

 

Items

Tower UPS

Modular UPS

Modular UPS of INVT Power

Installation and transportation

Volume and weight

Big

Small

Small

Transportation

Part of the UPS system can be transported separately

The cabinet and the module can be transported individually

The cabinet and the module can be transported individually, also support integrated transportation

Expansion

Equivalent to demolishing and reconfiguring

Easily expand capacity and invest in installments

Easily expand capacity and invest in installments

User-friendly evaluation

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Use

Monitor

Have basic monitoring capabilities

Have basic monitoring capabilities

Strong monitoring function

Battery

Very few can be used together

Some can be used together

All can be used together

User-friendly evaluation

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Maintenance

Maintenance

Need to remove cables and internal structure, maintenance time is long, similar to modular detachable module maintenance.

Power module online hot-swap replacement

Online hot-swap of monitoring module, bypass module, and power module

User-friendly evaluation

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Overall user-friendly evaluation

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Table 3: Investment comparison of tower UPS and modular UPS

 

Items

Tower UPS

Modular UPS

Modular UPS of INVT Power

Equipment

UPS

UPS system parallel redundancy,Wide power range,Moderate cost

Power module parallel redundant power is low, and has a Medium cost

The power module ranges from 10 to 50KVA, there are 7 kinds of power modules for selection, and the main cabinet has more than 13 kinds for selection, and the configuration is flexible. Choose the most reasonable configuration and save the overall investment

Battery

Very few can be used together. High configuration

Some can be used together. Flexible configuration and low cost

All can be used together,Flexible configuration of 32-44 batteries

Investment evaluation

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Installation and transportation

Volume and weight

Big, High cost of land lease and load-bearing parts

Small

Small

Transportation

Sometimes the infrastructure of the computer room needs to be changed, which is expensive

The cabinet and the module can be transported individually

The cabinet and the module can be transported individually

Expansion

Equivalent to demolishing and rebuilding high cost

Easily expand capacity and invest in installments

Easily expand capacity and invest in installments

Investment evaluation

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Operation

Efficiency

85%-94%

94%-96%

96%

Investment evaluation

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Maintenance

Maintenance

Need to remove cables and internal structure, high maintenance costs, modular type detachable module maintenance,maintenance costs are medium

The power module can be hot-swapped and replaced online, and the maintenance cost is low

Monitoring bypass module and power module support online hot swap replacement, low maintenance cost

Investment evaluation

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Overall investment evaluation

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