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Performance comparison between modularized UPS and tower-type UPS
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Performance comparison between modularized UPS and tower-type UPS

  • Author:
  • Origin:
  • Time of issue:2017-02-23
  • Views:

(Summary description)Modularized UPS has more advantages when compared to traditional tower-type UPS, however, there also exist some disputes incurred by different recognition in different regions and industries.

Performance comparison between modularized UPS and tower-type UPS

  • Author:
  • Origin:
  • Time of issue:2017-02-23
  • Views:

(Summary description)Modularized UPS has more advantages when compared to traditional tower-type UPS, however, there also exist some disputes incurred by different recognition in different regions and industries.

Information

Modularized UPS has more advantages when compared to traditional tower-type UPS, however, there also exist some disputes incurred by different recognition in different regions and industries.

 

In this article, we will not make too detailed comparisons, but merely enumerate the following comparison of relevant characteristics. Investment comparison is merely provided for reference. Since the price of each manufacturer’s products is not the same, it shall be determined by piratical conditions.

 

 

Detail

Tower-type UPS

Modularized UPS

INVT Modularized UPS

Parallel network reliability

Hardware design

Power controller
integrated parallel machine control

Power controller +parallel-operation controller

Isolation airway heat-dissipation design+ PCB three-proofing spray-coating technique

Logic design

Master-slave competitive redundancy, complex logic

Master-slave competitive redundancy or centralized control

Use non-master-slave decentralized control logic mode

Telecommunication

Single CAN or dual CAN

Single CAN or dual CAN

Dual CAN redundancy

Reliability evaluation

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power unit reliability

Voltage loop

Independently controlled module

Independently controlled module

Independently controlled module

Electric current loop

Analog control/digital control

Fully-digital control

Fully-digital control

Device-level reliability

Relatively small redundant design

Partial redundant design

Use integrated package IGBT module device

Reliability evaluation

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êêêê

êêêêê

Bypass unit reliability

Parallel-operation bypass mode

Dispersive-type bypass

Inner-stand parallel operation:
Centralized bypass
Inter-stand parallel operation:
Dispersive-type bypass

Inner-stand parallel operation: centralized bypass

Reliability evaluation

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êêêê

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Failure impact of power unit

Scope

Malfunction of single unit will incur loss of complete-machine system, large power loss

Malfunction of single module merely affects single module, small power loss

Malfunction of single module merely affects single module, small power loss

Reliability evaluation

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êêêêê

êêêêê

Overall reliability evaluation

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êêêê

êêêêêê

 

Table 1: Reliability comparison between tower-type UPS and modularized UPS

 

 

Detail

Tower-type UPS

Modularized UPS

INVT Modularized UPS

Installation, transportation

Volume & weight

Large

Small

Small

Transportation

Sometimes it is required to alter machine-room infrastructure construction, partially can be divided-cabinet transported

Divided cabinet and divided-module transportation are both feasible.

Divided cabinet, divided-module and integral transportation are both feasible.

Capacity expansion

Basically equivalent to demolition and reconstruction

Easy capacity expansion, staged investment

Easy capacity expansion, staged investment

usability evaluation

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êêêêê

êêêêê

Usage

Monitoring

Equipped with basic monitoring capability

Equipped with basic monitoring capability

Strong monitoring function

Battery

It is seldom alleged to be possibly shared for use.

It can be partially shared for use.

All can be shared for use.

Usability evaluation

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Maintenance

Maintenance

It is required to dismantle cable and internal structure, long maintenance time, modular detachable module maintenance

Online hot-plug replacement of power module

Monitoring module, bypass module, power module online hot-plug

Usability evaluation

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êêêê

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Overall usability evaluation

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êêêê

êêêêêê

 

Table 2: Usability comparison between tower-type UPS and modularized UPS

 

 

Detail

Tower-type UPS

Modularized UPS

INVT Modularized UPS

Equipment

UPS host machine

Complete-machine parallel operation redundant power is huge, medium-amount fees

Module parallel operation redundant power is small, medium-amount fees

Power module10-50KVA has seven options for power modules, mainframe cabinet has over thirteen options. With flexible configuration, most reasonable configuration can be chosen to save overall investment.

Battery

Seldom alleged to be possibly shared for use, relatively high configuration

Partially can be shared for use, flexible configuration, low fees

All can be shared for use, 32-44 flexible configuration

Investment evaluation

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êêêêê

êêêêê

Installation, transportation

Volume & weight

Large, high fees of land rental and load-bearing components

Small

 Small

Transportation

Sometimes it is required to alter machine-room infrastructure construction
, high costs

Divided-cabinet and divided-module transportation are both feasible.

Divided-cabinet and divided-module transportation are both feasible.

Capacity expansion

Basically equivalent to demolition and reconstruction, high costs

Easy capacity expansion, staged investment

Easy capacity expansion, staged investment

Investment evaluation

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êêêêê

êêêêê

Operation

Efficiency

85%-94%

94%-96%

96%

Investment evaluation

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êêêê

êêêêê

Maintenance

Maintenance

It is required to dismantle cable and internal structure, high maintenance fees, modular dismountable module maintenance, medium-amount maintenance fees

Online hot plug replacement of power module, maintenance fees is relatively low

Monitoring online hot plug replacement of bypass module and power module, maintenance fees is relatively low.

Investment evaluation

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Overall investment evaluation

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êêêê

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Table 3: Investment Comparison between tower-type UPS and modularized UPS

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