Some standard content:
Shipbuilding Industry Standard of the People's Republic of China
CB/T3614-94
Electrical Equipment Utility Test Requirements
Published on April 11, 1994
Published by China State Shipbuilding Corporation
Implemented on October 1, 1994
Shipbuilding Industry Standard of the People's Republic of China
Electrical Equipment Utility Test Requirements
1 Subject Content and Scope of Application
This standard specifies the quality basic requirements for mooring tests and navigation tests of ship electrical equipment. This standard applies to all types of marine vessels.
2 Reference Standards
CB/T3485 Calculation and Measurement Methods of Ship Cabin Illumination 3 General Principles
CB/T3614-94
Classification Number: U06
3.1 After the ship is built, the equipment should be inspected according to the inspection item list. 3.2 The equipment and materials should have the manufacturer's product certificate, and the relevant equipment should have the "Ship Product Approval Certificate" issued by the classification society as required.
3.3 The selection and layout of the equipment should meet the classification specifications and relevant requirements of international conventions and rules specified in the specifications. 3.4 Various test instruments and meters used in the test should have certificates of compliance certified by national accreditation agencies, and the measurement accuracy should also comply with relevant regulations. bZxz.net
3.5 Make measurement records, compile test reports, and submit them to the ship inspection department and shipowner. 3.6 The test should be carried out after the appearance inspection, installation inspection, and grounding reliability inspection are completed. 3.7 The test content specified in this standard should be selected according to the actual ship situation. 4 AC power station
4.1 Pre-start inspection of diesel generator sets
4.1.1 Check the correctness of installation and wiring of the generator set and switchboard. 4.1.2 Measure and record the cold insulation resistance of the generator armature winding, excitation winding, heater and servo motor and switchboard circuit, the value of which should not be less than 1MO.
4.1.3 Check whether the safety protection and alarm devices of the prime mover are working normally. 4.2 Starting test of diesel generator sets
4.2.1 For diesel generator sets started with compressed air, carry out machine-side and remote control starting tests according to the requirements of the engine department. 4.2.2 For diesel generator sets started with batteries, carry out continuous starting tests from the cold state. The number of starts should be no less than 6 times. 4.2.3 Emergency generator sets should be tested for starting with two starting energy sources, and the number of starts for each should be no less than 3 times. 4.3 Switchboard protection device verification
4.3.1 Overcurrent protection device verification. Check whether its action value and delay time meet the design requirements. 4.3.2 Automatic unloading device inspection. Check whether its action value, delay time and unloading meet the design requirements. 4.3.3 Undervoltage protection device verification. When the voltage drops to 35%~70% of the rated voltage, the generator circuit breaker should automatically disconnect. 4.3.4 Reverse power protection device verification. Check whether its action value and delay time meet the design requirements. 4.4 Diesel generator set load test
Approved by China Shaobo Industry Corporation on April 11, 1994 and implemented on October 1, 1994
CB/T3614-94
4.4.1 The working conditions and test time of the load test are as shown in the following table. No.
Generator load: %
Test time, h
4.4.2 The working conditions and test time of the emergency generator set load test are only numbered 1 to 3 according to the above table, but the 100% load test time is 1h. 4.4.3 Measure and record the voltage, current, power and rate under various load conditions. 4.4.4 After the 100% load test, the basic hot insulation resistance of the generator should be measured immediately. For generators below 100kW, the value should not be less than 1Ma, and for generators greater than 100kW, it should not be less than the calculated value of formula (1). 3×V.
R=PM+100
Where: R—insulation resistance value.MO;
VH—rated voltage, V;
Ph——rated power, kW.
4.4.5 After the 100% load test of the generator is completed, the temperature rise of the generator winding and bearing shall be measured with a thermometer immediately. The value shall meet the requirements.
4.5 Diesel generator load characteristic test
4.5.1 Test the static voltage regulation characteristics of the diesel generator. When the load and its power factor are at the rated value, adjust the speed of the diesel engine to the rated value, and change the load while keeping the power factor at the rated value. The procedure is 100%→75%→50%→25%→0→25%+50%→75%-+100%, repeat twice, and record the voltage values at various loads. The static voltage regulation rate of the generator shall not exceed ±2.5% of the rated voltage (for emergency generators, it shall not exceed ±3.5%). The static voltage regulation rate shall be calculated according to formula (2). U=Ue×100%
Where: AU-
Static voltage regulation rate, %;
Rated voltage, V;
U——highest voltage or lowest voltage, V. Ux
4.5.2 Diesel generator sudden unloading and sudden load test, assess the governor performance according to the requirements of the engine professional. 4.6 Starting test of high-power motors on board. (2)
According to the navigation conditions in the power load calculation book, start the motor with the maximum power of the condition. At this time, the running motor should not lose step, stop or trip the power station.
4.7 Parallel operation test of diesel generators
4.7.1 Check the synchronization indication device and check the correctness of the line. 4.7.2 Diesel engine speed control remote control test. The governor remote control switch on the main switchboard should be able to change the diesel engine speed within the range of ±10% of its rated value.
4.7.3 Parallel operation load test. The number of units required for parallel operation in the design shall be grouped for testing. After adjusting to 50% of the rated load of each generator in proportion to the load, the test shall be carried out according to the following load procedure: 50%+75%+100%+75%-+50%-+25%→+50%, repeated twice. The deviation of its power distribution shall meet the requirements of the classification specification. 4.7.4 In the dynamic load transfer test, the generator to be connected in parallel with the generator already running under rated conditions, and the load shall be transferred to check the reliability of the generator load transfer.
4.8 Automatic function test of automated power station
4.8.1 Automatic starting test of standby units. The unit selection switch is set to any standby unit: under the set working conditions, the unit should be able to automatically start and supply power.
CB/T3614-94
4.8.2 Automatic synchronization test. Set the synchronization selection switch to the automatic position, press the synchronization button, and the generator shall automatically synchronize and connect to the grid. 4.8.3 Check the automatic load distribution function. After the generator is connected to the grid, check whether the load distribution between generators meets the corresponding requirements. 4.8.4 Check the automatic load transfer function. Adjust the total load of the generator to about 80% of the rated power of the single machine, and press the disconnect button of any generator in parallel operation. The load will be automatically transferred to another generator, and the circuit breaker of the generator to be disconnected will be disconnected. 5 Check the inquiry function of starting high-power motors. When the load of a single generator is adjusted to the design setting value, press the start button of a larger power motor with an inquiry function, and its inquiry function should be normal. 4.8.6 Low-load automatic disconnection test. Reduce the load to the design setting value to check the automatic disconnection function. 4.9 Emergency generator set automatic starting test
When the main bus of the main switchboard loses power, check the reliability of the automatic starting system. It should be able to close the power supply within 45s. 4.10
Interlocking circuit test
Check the interlocking function of the generator circuit breaker and the shore power circuit breaker. Check the interlocking function of the circuit breaker between the main generator and the emergency generator. Check the interlocking function of the generator circuit breaker and the generator heater switch. Check other interlocking functions specified in the design drawings. 4.11
Emergency cut-off function test
Check that the wind and oil emergency cut-off functions should meet the design requirements. 4.12
Insulation check to ground
Check the insulation monitoring instrument alarm of the power supply network of the distribution board. 5 Power system test
5.1 Anchor windlass and mooring device test
The electric anchor windlass and mooring device are tested for forward and reverse no-load operation. Measure the starting current and no-load current. The hydraulic anchor windlass should be tested with the mechanical system for no-load. Measure the starting current and no-load current of the motor. Check the working reliability of the speed regulation of each gear of the electrical control equipment and the electromagnetic brake (including manual release). 5.1.3
Inspect and adjust the load protection device to meet the design requirements. 5.1.4
Carry out various working condition tests in conjunction with the mechanical system. Measure the working current under various working conditions and check the reliability of the protection device. 5.1.5
Measure the hot insulation resistance of the motor, and its value should not be less than 1MQ. 5.1.6
5.2 Steering gear test
The motor runs at no load, and the starting current and working current are measured. 5.2.1
Check the correctness of the action of the electric limit device of the energy angle, which is generally limited at 35° on the left and right. Check the reliability of the sound and light signal devices such as power failure alarm, phase failure alarm, overload alarm and low oil tank alarm. Check the reliability of the switching function of the two sets of motors or electric hydraulic pump groups. 5.2.4
5.2.5 Check the reliability of the switching and interlocking functions of each steering station. 5.2.6 Carry out the steering test in conjunction with the mechanical system, and measure the working current under various working conditions. 5.2.7 Additional test of automatic steering instrument
5.2.7.1 Check the reliability of changing the steering mode. No matter what the original steering mode is and where the energy blade is, the switching can be achieved within 35 without any adjustment.
5.2.7.2 Check the accuracy of automatic steering. When the speed is not less than 6kn and the sea condition is below level 3, the deviation from the predetermined direction shall not exceed ±1°; when the sea condition is above level 3 and below level 5, it shall not exceed ±4° or as required by the instructions. 5.2.7.3 Check that the maximum heading sensitivity of the automatic steering shall not be less than 0.5° heading. 5.2.7.4 Check the steering sensitivity of the follow-up power system, which shall not be greater than 1° of the given power angle. The error between the given power angle and the power angle feedback value shall not be greater than 1°.
CB/T3614-94
5.2.8 Measure the thermal insulation resistance of each motor, and its value shall not be less than 1MO. 5.3 Towing device test
5.3.1 The electric towing device shall be tested for no-load and reverse operation at medium speed for 0.5h each, and the starting current and no-load current of the motor shall be checked and measured. 5.3.2 Check the working conditions of the electrical control equipment and various speed regulators and electromagnetic brakes. 5.3.3 Check and adjust the load protection device. 5.3.4 Cooperate with the mechanical system to conduct various working condition tests. Measure the working current. 5.3.5 Measure the hot insulation resistance of the motor, and its value should not be less than 1MO. 5.4 Hoist test
5.4.1 Test and check the reliability of electrical limit devices such as rotation, amplitude change, hook lifting, etc., as well as signal devices, protection devices, interlocking devices and emergency disconnection devices. For those with forced ventilation, check the reliability of their linkage function. 5.4.2 Measure the current of each gear, starting current and no-load current when no-load. 5.4.3 Check the working reliability of electrical equipment and speed regulation and electromagnetic brakes of each gear. 5.4.4 Check and adjust the load protection device. 5.4.5 Cooperate with the mechanical system to conduct various working condition tests and measure the working current. 5.4.6 Measure the hot insulation resistance of the motor, and its value should not be less than 1MO. 5.5 Other deck machinery, engine room auxiliary machinery and special compartment machinery test 5.5.1 Check the working reliability of motors and control equipment (including signal devices, protection devices and automatic control, etc.). 5.5.2 Measure the starting current of the motor.
5.5.3 Cooperate with the mechanical function test to measure the working current under various working conditions. 5.5.4 Measure the hot insulation resistance of the motor, and its value should not be less than 1MO. 6 Lighting system (including single-phase power supply system) 6.1 System inspection
Check the integrity and correctness of the system installation before power on. Measure the cold insulation resistance of each branch. 6.2 Main lighting, emergency lighting and temporary emergency lighting function test 6.2.1 Check the correctness of the control range of each distribution box and branch switch. 6.2.2 Check the correctness of each switch control. 6.2.3 Check the integrity of the power supply of each socket.
6.2.4 Measure the hot insulation resistance of each branch of the distribution box. For those with working voltage greater than 50V, the insulation resistance value shall not be less than 1MQ (excluding electric fans and small electric heaters); for those with working voltage equal to or less than 50V, the value shall not be less than 0.3MO. 6.2.5 Spot check the voltage drop of the last branch of the lighting. For networks with rated voltage greater than 50V, the voltage drop shall not be greater than 6% of the rated voltage. For networks with rated voltage equal to or less than 50V, the voltage drop shall not be greater than 10% of the rated voltage. 6-2.6 Check the correctness of the centralized control of outdoor lighting. 6.2.7 Carry out illumination inspection when necessary according to design requirements. For measurement methods, refer to CB/T3485. 6.3 Additional inspection of navigation lights
6.3.1 Check the model and number of the navigation lights, which shall be consistent with the product certificate. 6.3.2 Check the correctness of the power supply conversion of the two power supplies of the navigation light control box. 6.3.3 Check the correctness of the wiring of each light control switch and the reliability of the conversion. The brightness of the indicator light shall be adjustable. 6-3.4 Check the correctness of each circuit breaker alarm function. 6.4 Additional inspection of signal lights
6.4.1 Check the correctness of the connection of each signal light control switch and the consistency of the indicator light color with the signal light color. 6.4.2 Check the correctness of the emergency power supply such as the out-of-control light. 6.5 Daily electrical appliance utility test
CB/T3614-94
6.5.1 Electric fans, refrigerators, washing machines and other daily electrical appliances are tested for power-on to check their working performance. 6.5.2 Electric heating appliances such as electric heaters and electric cookers are tested for power-on to check their working performance. After the test, their hot insulation resistance is measured, and its value should not be less than 0.5MO.
6.6 Charge and discharge board and battery test
6.6.1 Carry out charge and discharge test to check the working condition of the charge and discharge device, and measure the hot insulation resistance, and its value should not be less than 0.3MO. 6.6.2 Check the reliability of the automatic connection of temporary emergency lighting when the main lighting fails, and check the level and specific gravity of the battery electrolyte. 6.7 Lighting transformer inspection
6.7.1 Check the imbalance of the three-phase load current of the transformer, and its value should be within 15% of the rated current of the secondary side. 6.7.2 Measure the hot insulation resistance of the transformer, and its value should not be less than 1M0.7 Internal communication equipment
7.1 General
7.1.1 Check the correctness and reliability of the equipment installation and wiring (including the grounding of the cable shielding layer). 7.1.2 The brightness adjustment of the instrument with a light adjuster should be checked. 7.2 Telephone (automatic telephone and voice-powered telephone) test 7.2.1 Call, answer and talk tests are carried out between users, and the voice should be clear. The sound and light signals should be correct. 7.2.2 Check whether the user name and number are correct, and the nameplate or special instruction plate should be properly installed and obvious. 7.2.3 According to the design requirements, check the priority call function of the special parts of the automatic telephone and the function of inserting the broadcast call of each extension. The self-check function should be reliable.
7.2.4 According to the design requirements, check the correctness of the extended call signal in the noisy place. 7.3 Wired broadcast test
7.3.1 Measure the insulation resistance of the antenna and lead-in wire of the broadcast system. The value should not be less than 2MO. 7.3.2 Broadcast equipment effectiveness test. Work in the modes of listening to the broadcast, sending the call, playing and recording, etc., and check the effect, sound quality, volume and monitoring functions under various working conditions.
7.3.3 Check the correctness of the control of each control switch. 7.3.4 Perform the effectiveness test of each remote control station (device). The transmission should be clear without obvious howling sound. The length of the transmitter cable should be able to reach both sides. 7.3.5 Check the correctness of the locking circuit. 7.3.6 Perform the operation check of the speaker control mechanism. 7.3.7 Check the automatic telephone insertion and transmission function according to the design requirements. 7.4 Test of wired intercom
7.4.1 Intercom effectiveness test. Select intercom communication with the host as the control center. Check the sound quality and various functions of the transmission and reception. 7.4.2 Extension effectiveness test. Transmission and reception should be clear without obvious whistling. 7.5 Call system (including duty, ward, cold storage mislock) test 7.5.1 Engineer call and water call effectiveness test. Rotate the position of each selector to check whether the sound and light signals of the signal box are normal, whether the sound disappears after answering, and the light remains. If there is an extended alarm function, check its functional effect. 7.5.2 Ward call effectiveness test. Check the correctness of the signal effect. 7.5.3 Cold storage mislock call effectiveness test. Check the correctness of the signal effect. 7.6 General alarm and fire alarm system test 7.6.1 Check the sound and light effects of the alarms in various places when the main engine is sailing at full speed. 7.6.2 Check that the labels and colors of the general alarm and fire alarm should meet the requirements, and the sound should be different. 7.7 Fire detector test
7.7.1 Check the self-check function of the fire alarm control panel. 7.7.2 Check that there are no other objects around the detector that block and affect its normal operation. CB/T3614-94
7.7.3 According to the working principle of each detector, perform smoke, hot air or standard test gas simulation test. And check the correctness of the indicated position. 7.7.4 Perform the effectiveness test of the manual fire alarm button. 7.7.5 Perform the function test of the fire alarm system of the whole ship automatically after a delay of 2 minutes if the fire alarm signal is not confirmed according to the design requirements. If an electromagnetically driven fire door is used, its automatic closing function should be checked. 7.7.6 If the system has two power supplies, the power conversion function test should be performed. 7.7.7 Conduct continuous working reliability test during the sea trial. 7.8 Fire extinguishing agent release alarm and supervision equipment test
7.8.1 Check the detection function of the fire extinguishing agent control box. 7.8.2 Simulation test. When the door of the release control box or the lever of the release main valve leaves the closed position, the alarm signal should be triggered. 7.8.3 Check the sound and light effects of the alarm in the fire extinguishing agent release area. 7.8.4 Check the correctness of the action of the wind and oil emergency cut-off line in the fire extinguishing agent release area. 7.9 Telegraph bell test
Return command effectiveness test. Check the synchronous tracking of the transmitter and receiver, which should be flexible, the indication should be correct, and the sound and light signals should be normal. Check the power failure alarm function.
Check the wrong direction alarm function. When the host is manually turned in the opposite direction of the command, the alarm device should be activated. 7.9.4
If a telegraph bell automatic recorder is installed, a effectiveness test should be carried out. Data recording and printing should be accurate. The functions of the telegraph bell with internal fault self-checking function or separate sound and light signal communication function shall be checked. Check the telegraph signal and the alarm signal. The sound should be different. Test of power angle indicator and variable pitch indicator 7.10
Zero position calibration. The power blade stops at the mechanical zero position and calibrates the zero position of the power angle receiver. The error should not exceed ±0.5°. Rudder angle calibration. Check the indicator degree and mechanical power angle every 5\ within the range of 35° on the left and right rudders. The deviation should not exceed ±1°, and the pointer deflection should be smooth.
7.10.3 Check the accuracy of the pitch angle indicator. The error between the pitch angle indicator at the driving position and the cabin and the actual pitch of the propeller should not exceed ±1°.
7.11 Test of propeller shaft speed indicator
1 Check whether the direction of each indicator pointer is consistent with the propeller shaft direction, and check the speed indication accuracy. The error should meet the product accuracy level 7.11.1
.
Check whether the revolution accumulator counts normally. 7.12 Test of whistle controller
7.12.1 Manual control test. Use buttons in various parts to control the whistle sounding at will. : Automatic control test. Check the accuracy of the sounding in each working condition. 7.12.2
7.12.3 Check the correctness of the linkage between fog horn and fog lamp. 7.12.4 Check whether the whistle heater works normally. 7.13 Electronic mother and child clock inspection
7.13.1 Mother and child clock effectiveness test. Check the accuracy of synchronization tracking of all child clocks. The timing accuracy of the master clock should comply with the product manual. 7.13.2 Check the self-test function of the master clock.
Additional remarks:
This standard is proposed by China State Shipbuilding Corporation. CB/T3614-94
This standard is under the jurisdiction of the 603 Institute of China State Shipbuilding Corporation. This standard is drafted by Guangzhou Shipyard. The drafters of this standard are Zhang Zhuoduan, Hong Heping, Du Wenjia
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