NAVY MIL-HDBK-704-6-2004 GUIDANCE FOR TEST PROCEDURES FOR DEMONSTRATION OF UTILIZATION EQUIPMENT COMPLIANCE TO AIRCRAFT ELECTRICAL POWER CHARACTERISTICS SINGLE PHASE 60 HZ 115 VOLT.pdf

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1、 MIL-HDBK-704-6 9 April 2004 DEPARTMENT OF DEFENSE HANDBOOK GUIDANCE FOR TEST PROCEDURES FOR DEMONSTRATION OF UTILIZATION EQUIPMENT COMPLIANCE TO AIRCRAFT ELECTRICAL POWER CHARACTERISTICS SINGLE PHASE, 60 Hz, 115 VOLT ( PART 6 OF 8 PARTS ) This Handbook is for guidance only. Do not cite this documen

2、t as a requirement. AMSC N/A AREA SESSNOT MEASUREMENTSENSITIVE Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 ii FOREWORD 1. This handbook is approved for use by all Departments and Agencies of the Department of Defense. 2. This handb

3、ook provides guidance on test procedures for demonstration of single phase, 60 Hz, 115 volt utilization equipment to determine compliance with the applicable edition of MIL-STD-704. 3. MIL-HDBK-704-6 is Part 6 in a series of 8 Parts. Part 6 describes the test methods and procedures to demonstrate th

4、at single phase, 60 Hz, 115 volt utilization equipment is compatible with the electric power characteristics of MIL-STD-704. These series of handbooks and MIL-STD-704 are companion documents. 4. Comments, suggestions, or questions on this document should be addressed to Commander, Naval Air Systems

5、Command, Code 4.1.4, Highway 547, Lakehurst, NJ 08733-5100 or email to thomas.omaranavy.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at www.dodssp.daps.mil. Provided by IHSNot for ResaleNo reproduction or

6、networking permitted without license from IHS-,-,-MIL-HDBK-704-6 iii CONTENTS PARAGARPH PAGE FOREWORD ii 1. SCOPE . . 1 1.1 Scope. 1 2. APPLICABLE DOCUMENTS 1 2.1 General 1 2.2 Government documents 1 2.2.1 Specifications, standards and handbooks 1 3 DEFINITIONS 1 3.1 Acronyms and definitions. 1 4. T

7、EST METHODS INFORMATION 1 4.1 Demonstration of compatibility 1 4.1.1 Recording performance. 1 4.2 Calibration of test equipment 1 4.3 Test methods . 2 5. TEST METHODS. 4 METHOD SXF101 Load Measurements. 5 METHOD SXF102 Steady State Limits for Voltage and Frequency 9 METHOD SXF103 No Test Required. 1

8、3 METHOD SXF104 Voltage Modulation. 14 METHOD SXF105 Frequency Modulation. 18 METHOD SXF106 Voltage Distortion Spectrum. 22 METHOD SXF107 Total Voltage Distortion 27 METHOD SXF108 DC Voltage Component 32 METHOD SXF109 Normal Voltage Transients 36 METHOD SXF110 Normal Frequency Transients . 42 METHOD

9、 SXF201 Power Interrupt 47 METHOD SXF301 Abnormal Steady State Limits for Voltage and Frequency . 52 METHOD SXF302 Abnormal Voltage Transients 57 METHOD SXF303 Abnormal Frequency Transients . 62 METHOD SXF401 Emergency Steady State Limits for Voltage and Frequency . 66 METHOD SXF501 No Tests. 67 MET

10、HOD SXF601 Power Failure (Single Phase) 68 METHOD SXF602 No Test Required. 72 METHOD SXF603 Phase Reversal (Single Phase). 73 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 iv PARAGARPH PAGE 6. NOTES . 78 6.1 Intended use 78 6.2 Singl

11、e phase test numbers. 78 6.3 Subject term (keyword) listing 78 TABLE SXF-I. Summary of single phase, 400 Hz, 115 volt utilization equipment . MIL-STD-704 compliance test 3 CONCLUDING MATERIAL 78 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDB

12、K-704-6 1 1. SCOPE 1.1 Scope. This handbook provides, as guidance, test methods used to demonstrate that single phase, 60 Hz, 115 volt utilization equipment is compatible with the electric power characteristics of the applicable edition(s) of MIL-STD-704. This handbook is for guidance only and canno

13、t be cited as a requirement. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed below are not necessarily all of the documents referenced herein, but are those needed to understand the information provided by this handbook. 2.2 Government documents. 2.2.1 Specifications, standards, and handbo

14、oks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-704 DoD Interface Standard for Aircraft Electric Power Characteristics (Copies of these documents are available online at http:/assist. dap

15、s.dla.mil/quicksearch or www.dodssp.daps.mil/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 3. DEFINITIONS 3.1 Acronyms and definitions. The acronyms and definitions of MIL-STD-704 are applicable to this handbook. 4. TEST METHODS INFO

16、RMATION 4.1 Demonstration of compatibility. This section contains the test methods which will ensure that single phase, 60 Hz, 115 volt utilization equipment is compatible with the electric power characteristics of the applicable edition(s) of MIL-STD-704, by testing the Unit Under Test (UUT) in acc

17、ordance with the test procedures as described in test methods SXF101 through SXF603. 4.1.1 Recording performance. In table SXF-I, record the edition(s) of MIL-STD-704 that defined the aircraft electric power characteristics used for testing and the performance of the UUT for each of the test methods

18、. 4.2 Calibration of test equipment. Test equipment and accessories required for measurement in accordance with this handbook should be calibrated in accordance with an approved calibration program traceable to the National Institute for Standards and Technology. Provided by IHSNot for ResaleNo repr

19、oduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 2 The serial numbers, model, and calibration date of all test equipment should be included with the test data. 4.3 Test methods. The test methods listed in table SXF-I are provided in section 5 of this handbook. Provided by

20、 IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 3 TABLE SXF-I. Summary of single phase, 60 Hz,115 volt utilization equipment MIL-STD-704 compliance tests. UUT: Compliance to MIL-STD-704 Edition(s): Test Dates: Test Method Description Performance

21、(Pass/Fail) Comments Normal, Aircraft Electrical Operation SXF101 Load and Current Harmonic Measurements SXF102 Steady State Limits for Voltage and Frequency SXF103 No Test, See Note #1 N/A N/A SXF104 Voltage Modulation SXF105 Frequency Modulation SXF106 Voltage Distortion Spectrum SXF107 Total Volt

22、age Distortion SXF108 DC Voltage Component SXF109 Normal Voltage Transients SXF110 Normal Frequency Transients Transfer, Aircraft Electrical Operation SXF201 Power Interrupt Abnormal, Aircraft Electrical Operation SXF301 Abnormal Limits for Voltage and Frequency SXF302 Abnormal Voltage Transients (O

23、vervoltage/Undervoltage) SXF303 Abnormal Frequency Transients (Overfrequency/Underfrequency)Emergency, Aircraft Electrical Operation SXF401 Emergency Limits for Voltage and Frequency Starting, Aircraft Electrical Operation SXF501 See Note#2 N/A N/A Power Failure, Aircraft Electrical Operation SXF601

24、 Power Failure (Single Phase) SXF602 No Test, See Note #1 N/A N/A SXF603 Phase Reversal Note 1: There are no tests required for SXF103 and SXF602. The numbering has been arranged so that the single phase test numbers coincide with the three phase test numbers. Note 2: Starting operation conditions a

25、re usually not applicable to AC utilization equipment. No test is required for SXF501 unless specified by the equipment performance specification. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 4 5. TEST METHODS Provided by IHSNot for

26、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 5 METHOD SXF101 Load Measurements POWER GROUP: Single Phase, 60 Hz, 115 V AIRCRAFT ELECTRICAL OPERATING CONDITION: Normal PARAMETER: Load Measurements 1. Scope. 1.1 Purpose. This test procedure is used to veri

27、fy that single phase, 115 volt, 60 Hz power utilization equipment utilizes only 115 volt line-to-neutral power, does not require more power than allowed, the power factor is within limits, and does not use half-wave rectification for the applicable edition(s) of MIL-STD-704. Additionally, when the u

28、tilization equipment performance specification document imposes current waveform requirements, this test procedure is used to verify that the utilization equipment current waveform is within total current distortion and current spectrum (current distortion vs. frequency) limits defined in the utiliz

29、ation equipment performance specification document. 2. Validation criteria. The utilization equipment is considered to have passed if the utilization equipment requires less than or equal to the power limit for single phase equipment, is within the power factor limits, and does not use half-wave rec

30、tification for the applicable edition(s) of MIL-STD-704 and as noted in table SXF101-I. If required by the utilization equipment performance specification document, the utilization equipment current waveform must be within the total current distortion and current spectrum limits defined in the utili

31、zation equipment performance specification document. The utilization equipment must not suffer damage or cause an unsafe condition. TABLE SXF101-I. MIL-STD-704 limits for single phase power, power factor, rectification restriction, current distortion, and current spectrum for single phase, 60 Hz uti

32、lization equipment. Limit 704A 704B 704C 704D 704E 704F Single Phase kVA N/A N/A N/A N/A N/A 0.5 kVA Power Factor N/A N/A N/A N/A N/A No Leading Power Factor for 100 VA Rectification Restriction N/A N/A N/A N/A N/A No Half-Wave RectificationCurrent Distortion N/A N/A N/A N/A N/A See Note 1/Current S

33、pectrum N/A N/A N/A N/A N/A See Note 1/Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 6 1/. The utilization equipment performance specification document should include requirements that reduce the likelihood of the equipment having an

34、 adverse effect on the electrical power characteristics of the aircraft. Current distortion and current spectrum limits may be imposed to minimize undesirable effects to the electrical power characteristics. These limits should take into account the utilization equipment power draw, aircraft electri

35、cal system capacity and distribution characteristics, trade-offs with weight, volume, cost, and reliability that are specific to each type of equipment and aircraft. 3. Apparatus. The test equipment should be as follows: a. Adjustable AC power supply (rotating AC source for current waveform limits)

36、b. True RMS voltmeter c. Frequency counter d. Power meter e. Spectrum analyzer f. Distortion meter g. Current transformer h. Oscilloscope 4. Test setup. Configure the test setup as shown in figure SXF101-1. Measurements, except current, must be made within 10 cm of the input power terminals of the U

37、UT. Current measurements must be taken from the 115 Volt conductor. If the utilization equipment performance specification document imposes current waveform limits, the AC power source must be a rotating machine. 5. Compliance test. With the power source off, install the UUT and the stimulation and

38、monitoring equipment into the test setup of figure SXF101-1. Turn on the power source and adjust the voltage to the nominal steady state voltage of 115 Vrms (line-to-neutral) and adjust the frequency to the nominal steady state frequency of 60 Hz. Close the circuit breaker, energizing the UUT. Allow

39、 sufficient time for the UUT to warm up. Conduct a performance test of the UUT according to the utilization equipment performance test procedures to verify that the UUT is providing specified performance for normal aircraft electrical conditions. Record the voltage, frequency, kVA, and power factor

40、in table SXF101-II. Confirm that the utilization equipment does not use half-wave rectification and record in table SXF101-II. Compare the kVA, power factor, and rectification with the required limits/restriction of the applicable edition(s) of MIL-STD-704. If the utilization equipment performance s

41、pecification document imposes current waveform limits, record the total current distortion and current spectrum in the data sheet shown in table SXF101-II and compare to the limits defined in the utilization equipment performance specification document. Repeat for each mode of operation of the UUT.

42、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 7 Unit Under Test(UUT)AdjustableAC PowerSupplyStimulation & MonitoringEquipment(See Note 4)True RMSVoltmeterFrequencyCounterPowerMeterSpectrumAnalyzerOscilloscopeAGround PlaneNGNDSee Note

43、 110 cmANCHASSISSee Note 2CAUTIONCurrentTransformerNotes:1. Voltage measurements shall be made within 10 cm of UUT input power terminals.2. CAUTION: Verify suitability of power supply NEUTRAL and GROUND connections.3. CAUTION: Verify suitability of instrumentation inputs and/or use appropriate atten

44、uation.4. Stimulation and Monitoring Equipment are user defined. This functional block shall provideappropriate inputs (stimulations) and monitor UUT outputs (e.g.: RPM, signals, data, etc.)5. If current waveform limits are imposed by the detailed performance specification, the ACpower source shall

45、be a rotating machine.Load and Current Distortion MeasurementFigure SXF 101-1DistortionMeter(See Note 5)(See Note 3)(See Note 3)(See Note 3)(See Note 3)(See Note 3) (See Note 3)FIGURE SXF101-1. Load and current distortion measurement. Provided by IHSNot for ResaleNo reproduction or networking permit

46、ted without license from IHS-,-,-TABLE SXF101-II. Sample data sheet for SXF101 load measurements for single phase, 60 Hz utilization equipment. Parameter Measurement Unit Performance Pass/Fail Voltage VrmsN/A Frequency Hz N/A kVA kVA Power Factor pf No Half-Wave Rectification N/A Total Current Disto

47、rtion % Current Distortion Current Spectrum Attach Spectrum Plot Amplitude vs. Frequency 8MIL-HDBK-704-6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-704-6 9 METHOD SXF102 Steady State Limits for Voltage and Frequency POWER GROUP: Single

48、Phase, 60 Hz, 115 V AIRCRAFT ELECTRICAL OPERATING CONDITION: Normal PARAMETER: Steady State Limits for Voltage and Frequency 1. Scope. 1.1 Purpose. This test procedure is used to verify that single phase, 115 Volt, 60 Hz power utilization equipment operates and maintains specified performance when p

49、rovided power with voltage and frequency at that the Normal Low Steady State (NLSS) limits and the Normal High Steady State (NHSS) limits as specified in the applicable edition(s) of MIL-STD-704. 2. Validation criteria. The utilization equipment is considered to have passed if the utilization equipment oper