JPS57207877A - Actual load testing method of alternating current variable speed driving device - Google Patents

Actual load testing method of alternating current variable speed driving device

Info

Publication number
JPS57207877A
JPS57207877A JP9217181A JP9217181A JPS57207877A JP S57207877 A JPS57207877 A JP S57207877A JP 9217181 A JP9217181 A JP 9217181A JP 9217181 A JP9217181 A JP 9217181A JP S57207877 A JPS57207877 A JP S57207877A
Authority
JP
Japan
Prior art keywords
rotary machine
driving device
variable speed
speed driving
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9217181A
Other languages
Japanese (ja)
Inventor
Minoru Ebara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9217181A priority Critical patent/JPS57207877A/en
Publication of JPS57207877A publication Critical patent/JPS57207877A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Induction Machinery (AREA)

Abstract

PURPOSE:To easily execute an actual load test even in case of only one set of variable speed driving device to be tested, by using a DC rotary machine having capacity corresponding to a machine to be tested, and its field current control- ling device. CONSTITUTION:In case when a field current of a field winding 17 is small, output voltage of a power rectifier 21 is larger than counter electromotive voltage of a DC rotary machine 11, the rotary machine execute power running as a motor, and when the field current becomes a suitably larg value, counter electromotive voltage of the rotary machine 11 becomes larger than output voltage of the power rectifier 21, and the rotary machine 11 is operated as a generator. In this case, output power of the DC machine 11 being generator flows into an AC rotary machine 24 through a DC circuit of a variable speed driving device 2, and as a result, a load can be put on the rotary machine 24. Accordingly, when a field current controlling circuit 16 is controlled by a current detecting signal from a shunt 13, the quantity of a load can be adjusted optionally.
JP9217181A 1981-06-17 1981-06-17 Actual load testing method of alternating current variable speed driving device Pending JPS57207877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9217181A JPS57207877A (en) 1981-06-17 1981-06-17 Actual load testing method of alternating current variable speed driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9217181A JPS57207877A (en) 1981-06-17 1981-06-17 Actual load testing method of alternating current variable speed driving device

Publications (1)

Publication Number Publication Date
JPS57207877A true JPS57207877A (en) 1982-12-20

Family

ID=14046980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9217181A Pending JPS57207877A (en) 1981-06-17 1981-06-17 Actual load testing method of alternating current variable speed driving device

Country Status (1)

Country Link
JP (1) JPS57207877A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100317985B1 (en) * 1999-10-29 2001-12-24 김형국 Load tester for automatic voltage regulator and method for the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100317985B1 (en) * 1999-10-29 2001-12-24 김형국 Load tester for automatic voltage regulator and method for the same

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